diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 9eb35c8f7..a4246edc1 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -25,13 +25,17 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
+      - name: Install valgrind
+        run: |
+          sudo apt-get install valgrind
+
       - name: Run unit tests
         run: |
           mkdir "$BUILD_PATH"
           cd "$BUILD_PATH"
           cmake ..
           make
-          bin/testArduinoIoTCloud
+          valgrind --leak-check=yes --error-exitcode=1 bin/testArduinoIoTCloud
 
       - name: Check code coverage
         run: |
diff --git a/extras/test/src/test_callback.cpp b/extras/test/src/test_callback.cpp
index f95e4c6da..447b73d61 100644
--- a/extras/test/src/test_callback.cpp
+++ b/extras/test/src/test_callback.cpp
@@ -162,7 +162,7 @@ SCENARIO("After a connection/reconnection an incoming cbor payload is processed
 SCENARIO("Primitive property: After a connection/reconnection an incoming cbor payload is processed and the synchronization callback is executed. The sync callback applies the AUTO_SYNC policy (the most recent value between the local one and the cloud one is finally assigned to the property). The onUpdate function is called if the cloud value is the most recent one. In this scenario the most updated value is the cloud one.") {
   GIVEN("CloudProtocol::V2") {
     bool test = true;
-    ArduinoCloudProperty *p = new CloudWrapperBool(test);
+    std::unique_ptr<ArduinoCloudProperty> p(new CloudWrapperBool(test));
     sync_callback_called = false;
     change_callback_called = false;
 
@@ -192,7 +192,7 @@ SCENARIO("Primitive property: After a connection/reconnection an incoming cbor p
 SCENARIO("Primitive property: After a connection/reconnection an incoming cbor payload is processed and the synchronization callback is executed. The sync callback apply the AUTO_SYNC policy (the most recent value between the local one and the cloud one is finally assigned to the property). The onUpdate function is called if the cloud value is the most recent one. In this scenario the most updated value is the local one.") {
   GIVEN("CloudProtocol::V2") {
     bool test = true;
-    ArduinoCloudProperty *p = new CloudWrapperBool(test);
+    std::unique_ptr<ArduinoCloudProperty> p(new CloudWrapperBool(test));
     sync_callback_called = false;
     change_callback_called = false;
 
diff --git a/extras/test/src/test_decode.cpp b/extras/test/src/test_decode.cpp
index 9b89bb177..43c66b4cc 100644
--- a/extras/test/src/test_decode.cpp
+++ b/extras/test/src/test_decode.cpp
@@ -8,6 +8,8 @@
 
 #include <catch.hpp>
 
+#include <memory>
+
 #include <util/CBORTestUtil.h>
 #include <ArduinoCloudThing.h>
 #include "types/CloudWrapperBool.h"
@@ -483,15 +485,15 @@ SCENARIO("Arduino Cloud Properties are decoded", "[ArduinoCloudThing::decode]")
         String str_test;
         str_test = "str_test";
 
-        ArduinoCloudProperty *i = new CloudWrapperInt(int_test);
-        ArduinoCloudProperty *b = new CloudWrapperBool(bool_test);
-        ArduinoCloudProperty *f = new CloudWrapperFloat(float_test);
-        ArduinoCloudProperty *s = new CloudWrapperString(str_test);
+        std::unique_ptr<ArduinoCloudProperty> i(new CloudWrapperInt(int_test));
+        std::unique_ptr<ArduinoCloudProperty> b(new CloudWrapperBool(bool_test));
+        std::unique_ptr<ArduinoCloudProperty> f(new CloudWrapperFloat(float_test));
+        std::unique_ptr<ArduinoCloudProperty> s(new CloudWrapperString(str_test));
 
-        thing.addPropertyReal(*b,  "bool_test",  Permission::ReadWrite).onSync(CLOUD_WINS);
-        thing.addPropertyReal(*i,   "int_test",   Permission::ReadWrite).onSync(CLOUD_WINS);
+        thing.addPropertyReal(*b, "bool_test",  Permission::ReadWrite).onSync(CLOUD_WINS);
+        thing.addPropertyReal(*i, "int_test",   Permission::ReadWrite).onSync(CLOUD_WINS);
         thing.addPropertyReal(*f, "float_test", Permission::ReadWrite).onSync(CLOUD_WINS);
-        thing.addPropertyReal(*s,   "str_test",   Permission::ReadWrite).onSync(CLOUD_WINS);
+        thing.addPropertyReal(*s, "str_test",   Permission::ReadWrite).onSync(CLOUD_WINS);
 
         thing.updateTimestampOnLocallyChangedProperties();
 
diff --git a/extras/test/src/test_encode.cpp b/extras/test/src/test_encode.cpp
index f81d6701c..6198b675b 100644
--- a/extras/test/src/test_encode.cpp
+++ b/extras/test/src/test_encode.cpp
@@ -8,6 +8,8 @@
 
 #include <catch.hpp>
 
+#include <memory>
+
 #include <util/CBORTestUtil.h>
 #include <ArduinoCloudThing.h>
 #include "types/CloudWrapperBool.h"
@@ -377,15 +379,15 @@ SCENARIO("Arduino Cloud Properties are encoded", "[ArduinoCloudThing::encode]")
       String str_test;
       str_test = "str_test";
 
-      ArduinoCloudProperty *i = new CloudWrapperInt(int_test);
-      ArduinoCloudProperty *b = new CloudWrapperBool(bool_test);
-      ArduinoCloudProperty *f = new CloudWrapperFloat(float_test);
-      ArduinoCloudProperty *s = new CloudWrapperString(str_test);
+      std::unique_ptr<ArduinoCloudProperty> i(new CloudWrapperInt(int_test));
+      std::unique_ptr<ArduinoCloudProperty> b(new CloudWrapperBool(bool_test));
+      std::unique_ptr<ArduinoCloudProperty> f(new CloudWrapperFloat(float_test));
+      std::unique_ptr<ArduinoCloudProperty> s(new CloudWrapperString(str_test));
 
-      thing.addPropertyReal(*i,   "int_test",   Permission::ReadWrite);
-      thing.addPropertyReal(*b,  "bool_test",  Permission::ReadWrite);
+      thing.addPropertyReal(*i, "int_test",   Permission::ReadWrite);
+      thing.addPropertyReal(*b, "bool_test",  Permission::ReadWrite);
       thing.addPropertyReal(*f, "float_test", Permission::ReadWrite);
-      thing.addPropertyReal(*s,   "str_test",   Permission::ReadWrite);
+      thing.addPropertyReal(*s, "str_test",   Permission::ReadWrite);
 
       thing.updateTimestampOnLocallyChangedProperties();