diff --git a/.github/workflows/pr_build.yml b/.github/workflows/pr_build.yml
index c316c0073..3cf3a5425 100644
--- a/.github/workflows/pr_build.yml
+++ b/.github/workflows/pr_build.yml
@@ -53,7 +53,7 @@ jobs:
     strategy:
       max-parallel: 5
       matrix:
-        java: [8, 11, 17, 21, 15, 16, 18, 19, 20]
+        java: [8, 11, 17, 21]
     name: Java ${{ matrix.java }}
     env:
       JAVA: ${{ matrix.java }}
diff --git a/examples/pom.xml b/examples/pom.xml
index 428c74af8..5c423f251 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -20,7 +20,7 @@
 
     <groupId>software.amazon.lambda</groupId>
     <artifactId>powertools-examples</artifactId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Powertools for AWS Lambda (Java) library Examples</name>
diff --git a/examples/powertools-examples-batch/pom.xml b/examples/powertools-examples-batch/pom.xml
index af3655b9a..c8f829997 100644
--- a/examples/powertools-examples-batch/pom.xml
+++ b/examples/powertools-examples-batch/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>software.amazon.lambda.examples</groupId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <artifactId>powertools-examples-batch</artifactId>
     <packaging>jar</packaging>
     <name>Powertools for AWS Lambda (Java) library Examples - Batch</name>
diff --git a/examples/powertools-examples-cloudformation/pom.xml b/examples/powertools-examples-cloudformation/pom.xml
index 2df1ce9f6..54d6b50ef 100644
--- a/examples/powertools-examples-cloudformation/pom.xml
+++ b/examples/powertools-examples-cloudformation/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>software.amazon.lambda.examples</groupId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <artifactId>powertools-examples-cloudformation</artifactId>
     <packaging>jar</packaging>
 
diff --git a/examples/powertools-examples-core/cdk/infra/pom.xml b/examples/powertools-examples-core/cdk/infra/pom.xml
index fd3cd313b..e2a1d6b9a 100644
--- a/examples/powertools-examples-core/cdk/infra/pom.xml
+++ b/examples/powertools-examples-core/cdk/infra/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>software.amazon.lambda.examples</groupId>
     <artifactId>cdk</artifactId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <cdk.version>2.100.0</cdk.version>
diff --git a/examples/powertools-examples-core/gradle/build.gradle b/examples/powertools-examples-core/gradle/build.gradle
index 0d6b0eee8..520b689cb 100644
--- a/examples/powertools-examples-core/gradle/build.gradle
+++ b/examples/powertools-examples-core/gradle/build.gradle
@@ -28,8 +28,8 @@ dependencies {
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.13.2.2'
     implementation 'com.amazonaws:aws-lambda-java-events:3.11.0'
     implementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.13.2'
-    aspect 'software.amazon.lambda:powertools-tracing:1.18.0'
-    aspect 'software.amazon.lambda:powertools-logging:1.18.0'
-    aspect 'software.amazon.lambda:powertools-metrics:1.18.0'
+    aspect 'software.amazon.lambda:powertools-tracing:1.19.0-SNAPSHOT'
+    aspect 'software.amazon.lambda:powertools-logging:1.19.0-SNAPSHOT'
+    aspect 'software.amazon.lambda:powertools-metrics:1.19.0-SNAPSHOT'
 }
 
diff --git a/examples/powertools-examples-core/kotlin/build.gradle.kts b/examples/powertools-examples-core/kotlin/build.gradle.kts
index f95d1099d..4a167f225 100644
--- a/examples/powertools-examples-core/kotlin/build.gradle.kts
+++ b/examples/powertools-examples-core/kotlin/build.gradle.kts
@@ -14,9 +14,9 @@ dependencies {
     implementation("com.fasterxml.jackson.core:jackson-databind:2.13.2.2")
     implementation("com.amazonaws:aws-lambda-java-events:3.11.0")
     implementation("com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.13.2")
-    aspect("software.amazon.lambda:powertools-tracing:1.18.0")
-    aspect("software.amazon.lambda:powertools-logging:1.18.0")
-    aspect("software.amazon.lambda:powertools-metrics:1.18.0")
+    aspect("software.amazon.lambda:powertools-tracing:1.19.0-SNAPSHOT")
+    aspect("software.amazon.lambda:powertools-logging:1.19.0-SNAPSHOT")
+    aspect("software.amazon.lambda:powertools-metrics:1.19.0-SNAPSHOT")
     testImplementation("junit:junit:4.13.2")
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
 }
diff --git a/examples/powertools-examples-core/sam/pom.xml b/examples/powertools-examples-core/sam/pom.xml
index adb5e13eb..16f82ebd6 100644
--- a/examples/powertools-examples-core/sam/pom.xml
+++ b/examples/powertools-examples-core/sam/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>software.amazon.lambda.examples</groupId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <artifactId>powertools-examples-core-sam</artifactId>
     <packaging>jar</packaging>
 
diff --git a/examples/powertools-examples-core/serverless/pom.xml b/examples/powertools-examples-core/serverless/pom.xml
index 36c7e7280..f8d9ab684 100644
--- a/examples/powertools-examples-core/serverless/pom.xml
+++ b/examples/powertools-examples-core/serverless/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>software.amazon.lambda.examples</groupId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <artifactId>powertools-examples-core-serverless</artifactId>
     <packaging>jar</packaging>
 
diff --git a/examples/powertools-examples-core/terraform/pom.xml b/examples/powertools-examples-core/terraform/pom.xml
index 532675717..eef73207e 100644
--- a/examples/powertools-examples-core/terraform/pom.xml
+++ b/examples/powertools-examples-core/terraform/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>software.amazon.lambda.examples</groupId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <artifactId>powertools-examples-core-terraform</artifactId>
     <packaging>jar</packaging>
 
diff --git a/examples/powertools-examples-idempotency/pom.xml b/examples/powertools-examples-idempotency/pom.xml
index 5e79debf4..bf4c041bf 100644
--- a/examples/powertools-examples-idempotency/pom.xml
+++ b/examples/powertools-examples-idempotency/pom.xml
@@ -17,7 +17,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>software.amazon.lambda.examples</groupId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <artifactId>powertools-examples-idempotency</artifactId>
     <packaging>jar</packaging>
     <name>Powertools for AWS Lambda (Java) library Examples - Idempotency</name>
diff --git a/examples/powertools-examples-parameters/pom.xml b/examples/powertools-examples-parameters/pom.xml
index 495d6c59c..2aa813ff4 100644
--- a/examples/powertools-examples-parameters/pom.xml
+++ b/examples/powertools-examples-parameters/pom.xml
@@ -2,7 +2,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>software.amazon.lambda.examples</groupId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <artifactId>powertools-examples-parameters</artifactId>
     <packaging>jar</packaging>
     <name>Powertools for AWS Lambda (Java) library Examples - Parameters</name>
diff --git a/examples/powertools-examples-serialization/pom.xml b/examples/powertools-examples-serialization/pom.xml
index e54c84315..4f2b8ffda 100644
--- a/examples/powertools-examples-serialization/pom.xml
+++ b/examples/powertools-examples-serialization/pom.xml
@@ -2,7 +2,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>software.amazon.lambda.examples</groupId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <artifactId>powertools-examples-serialization</artifactId>
     <packaging>jar</packaging>
     <name>Powertools for AWS Lambda (Java) library Examples - Serialization</name>
diff --git a/examples/powertools-examples-sqs/pom.xml b/examples/powertools-examples-sqs/pom.xml
index 9d0b3f2a8..a6737bfed 100644
--- a/examples/powertools-examples-sqs/pom.xml
+++ b/examples/powertools-examples-sqs/pom.xml
@@ -2,7 +2,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>software.amazon.lambda.examples</groupId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <artifactId>powertools-examples-sqs</artifactId>
     <packaging>jar</packaging>
     <name>Powertools for AWS Lambda (Java) library Examples - SQS</name>
diff --git a/examples/powertools-examples-validation/pom.xml b/examples/powertools-examples-validation/pom.xml
index 3cb4264c0..42d484ed1 100644
--- a/examples/powertools-examples-validation/pom.xml
+++ b/examples/powertools-examples-validation/pom.xml
@@ -16,7 +16,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>software.amazon.lambda.examples</groupId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <artifactId>powertools-examples-validation</artifactId>
     <packaging>jar</packaging>
     <name>Powertools for AWS Lambda (Java) library Examples - Validation</name>
diff --git a/pom.xml b/pom.xml
index 76b59d747..0ac62cbda 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
 
     <groupId>software.amazon.lambda</groupId>
     <artifactId>powertools-parent</artifactId>
-    <version>1.18.0</version>
+    <version>1.19.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Powertools for AWS Lambda (Java) library Parent</name>
diff --git a/powertools-batch/pom.xml b/powertools-batch/pom.xml
index cedbcf317..fabaeba30 100644
--- a/powertools-batch/pom.xml
+++ b/powertools-batch/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>software.amazon.lambda</groupId>
         <artifactId>powertools-parent</artifactId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <description>A suite of utilities that makes batch message processing using AWS Lambda easier.</description>
diff --git a/powertools-cloudformation/pom.xml b/powertools-cloudformation/pom.xml
index 660f6e34a..54c104468 100644
--- a/powertools-cloudformation/pom.xml
+++ b/powertools-cloudformation/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <name>Powertools for AWS Lambda (Java)library Cloudformation</name>
diff --git a/powertools-core/pom.xml b/powertools-core/pom.xml
index 0d82530a0..041950cf5 100644
--- a/powertools-core/pom.xml
+++ b/powertools-core/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <name>Powertools for AWS Lambda (Java) library Core</name>
diff --git a/powertools-e2e-tests/handlers/pom.xml b/powertools-e2e-tests/handlers/pom.xml
index 995aeb1c7..502b14eb3 100644
--- a/powertools-e2e-tests/handlers/pom.xml
+++ b/powertools-e2e-tests/handlers/pom.xml
@@ -10,7 +10,7 @@
     <description>Fake handlers that use Powertools for AWS Lambda (Java).</description>
 
     <properties>
-        <lambda.powertools.version>1.18.0</lambda.powertools.version>
+        <lambda.powertools.version>1.19.0-SNAPSHOT</lambda.powertools.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
diff --git a/powertools-e2e-tests/pom.xml b/powertools-e2e-tests/pom.xml
index d2aeaed66..05c544641 100644
--- a/powertools-e2e-tests/pom.xml
+++ b/powertools-e2e-tests/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powertools-e2e-tests</artifactId>
diff --git a/powertools-idempotency/pom.xml b/powertools-idempotency/pom.xml
index fe85d74fd..94aceebfc 100644
--- a/powertools-idempotency/pom.xml
+++ b/powertools-idempotency/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>software.amazon.lambda</groupId>
         <artifactId>powertools-parent</artifactId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powertools-idempotency</artifactId>
diff --git a/powertools-large-messages/pom.xml b/powertools-large-messages/pom.xml
index 2d5540c54..04e46dc6e 100644
--- a/powertools-large-messages/pom.xml
+++ b/powertools-large-messages/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>software.amazon.lambda</groupId>
         <artifactId>powertools-parent</artifactId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powertools-large-messages</artifactId>
diff --git a/powertools-logging/pom.xml b/powertools-logging/pom.xml
index 6fd4ce89f..78c36f41a 100644
--- a/powertools-logging/pom.xml
+++ b/powertools-logging/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <name>Powertools for AWS Lambda (Java) library Logging</name>
diff --git a/powertools-metrics/pom.xml b/powertools-metrics/pom.xml
index 677e18ed7..53df4cf57 100644
--- a/powertools-metrics/pom.xml
+++ b/powertools-metrics/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <name>Powertools for AWS Lambda (Java) library Metrics</name>
diff --git a/powertools-parameters/pom.xml b/powertools-parameters/pom.xml
index 0e86a0a06..788ac9438 100644
--- a/powertools-parameters/pom.xml
+++ b/powertools-parameters/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powertools-parameters</artifactId>
diff --git a/powertools-serialization/pom.xml b/powertools-serialization/pom.xml
index 06b828923..70280a0b8 100644
--- a/powertools-serialization/pom.xml
+++ b/powertools-serialization/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powertools-serialization</artifactId>
diff --git a/powertools-sqs/pom.xml b/powertools-sqs/pom.xml
index e14ec59b5..d65458d5e 100644
--- a/powertools-sqs/pom.xml
+++ b/powertools-sqs/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <name>Powertools for AWS Lambda (Java) library SQS</name>
diff --git a/powertools-test-suite/pom.xml b/powertools-test-suite/pom.xml
index a6e84c4ac..50e473ad1 100644
--- a/powertools-test-suite/pom.xml
+++ b/powertools-test-suite/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <name>Powertools for AWS Lambda (Java) library Test Suite</name>
diff --git a/powertools-tracing/pom.xml b/powertools-tracing/pom.xml
index f16bedd2f..26bc0aa16 100644
--- a/powertools-tracing/pom.xml
+++ b/powertools-tracing/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <name>Powertools for AWS Lambda (Java) library Tracing</name>
diff --git a/powertools-validation/pom.xml b/powertools-validation/pom.xml
index a372e4740..11ad1398f 100644
--- a/powertools-validation/pom.xml
+++ b/powertools-validation/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.18.0</version>
+        <version>1.19.0-SNAPSHOT</version>
     </parent>
 
     <name>Powertools for AWS Lambda (Java) validation library</name>