diff --git a/pom.xml b/pom.xml
index b8e037d9e..a94be4cae 100644
--- a/pom.xml
+++ b/pom.xml
@@ -563,7 +563,7 @@
 		<clean.plugin.version>3.0.0</clean.plugin.version>
 		
 		<!-- Redefine default value from spring-boot-dependencies -->
-		<commons-lang3.version>3.14.0</commons-lang3.version>
+		<commons-lang3.version>3.17.0</commons-lang3.version>
 		
 		<commons.text.version>1.11.0</commons.text.version>
 		<compiler.plugin.version>3.13.0</compiler.plugin.version>
diff --git a/src/main/java/ru/mystamps/web/feature/account/UsersActivationServiceImpl.java b/src/main/java/ru/mystamps/web/feature/account/UsersActivationServiceImpl.java
index 2c87ef91b..990a7f72c 100644
--- a/src/main/java/ru/mystamps/web/feature/account/UsersActivationServiceImpl.java
+++ b/src/main/java/ru/mystamps/web/feature/account/UsersActivationServiceImpl.java
@@ -112,7 +112,7 @@ public long countCreatedSince(Date date) {
 	 **/
 	private static String generateActivationKey() {
 		int actKeyLength = AccountValidation.ACT_KEY_LENGTH;
-		return RandomStringUtils.randomAlphanumeric(actKeyLength).toLowerCase(Locale.ENGLISH);
+		return RandomStringUtils.secure().nextAlphanumeric(actKeyLength).toLowerCase(Locale.ENGLISH);
 	}
 	
 }
diff --git a/src/main/java/ru/mystamps/web/feature/image/TimedImagePreviewStrategy.java b/src/main/java/ru/mystamps/web/feature/image/TimedImagePreviewStrategy.java
index 51cf683e5..f5074ccf7 100644
--- a/src/main/java/ru/mystamps/web/feature/image/TimedImagePreviewStrategy.java
+++ b/src/main/java/ru/mystamps/web/feature/image/TimedImagePreviewStrategy.java
@@ -45,7 +45,7 @@ public byte[] createPreview(byte[] image) {
 		
 		log.debug(
 			"Image preview has been generated in {} msecs: {} -> {} bytes",
-			timer.getTime(),
+			timer.getDuration().toMillis(),
 			// let's hope that it won't throw IllegalStateException :)
 			ArrayUtils.getLength(image),
 			ArrayUtils.getLength(result)
diff --git a/src/main/java/ru/mystamps/web/feature/series/TimedDownloaderService.java b/src/main/java/ru/mystamps/web/feature/series/TimedDownloaderService.java
index a3a507f27..c8930b2e9 100644
--- a/src/main/java/ru/mystamps/web/feature/series/TimedDownloaderService.java
+++ b/src/main/java/ru/mystamps/web/feature/series/TimedDownloaderService.java
@@ -46,7 +46,7 @@ public DownloadResult download(String url) {
 			log.debug(
 				"{} bytes have been downloaded in {} msecs",
 				result.getData().length,
-				timer.getTime()
+				timer.getDuration().toMillis()
 			);
 		}
 		
diff --git a/src/main/java/ru/mystamps/web/feature/series/importing/TimedSeriesInfoExtractorService.java b/src/main/java/ru/mystamps/web/feature/series/importing/TimedSeriesInfoExtractorService.java
index 2e25bcd9f..014f05244 100644
--- a/src/main/java/ru/mystamps/web/feature/series/importing/TimedSeriesInfoExtractorService.java
+++ b/src/main/java/ru/mystamps/web/feature/series/importing/TimedSeriesInfoExtractorService.java
@@ -42,7 +42,7 @@ public SeriesExtractedInfo extract(String pageUrl, RawParsedDataDto data) {
 		SeriesExtractedInfo result = extractorService.extract(pageUrl, data);
 		timer.stop();
 		
-		log.debug("Series info was extracted from raw data in {} msecs", timer.getTime());
+		log.debug("Series info was extracted from raw data in {} msecs", timer.getDuration().toMillis());
 		
 		return result;
 	}
diff --git a/src/main/java/ru/mystamps/web/feature/series/importing/extractor/TimedSiteParser.java b/src/main/java/ru/mystamps/web/feature/series/importing/extractor/TimedSiteParser.java
index 020fda1a6..451a51e57 100644
--- a/src/main/java/ru/mystamps/web/feature/series/importing/extractor/TimedSiteParser.java
+++ b/src/main/java/ru/mystamps/web/feature/series/importing/extractor/TimedSiteParser.java
@@ -47,7 +47,7 @@ public SeriesInfo parse(String htmlPage) {
 			log.debug(
 				"HTML page with {} characters has been parsed in {} msecs",
 				StringUtils.length(htmlPage),
-				timer.getTime()
+				timer.getDuration().toMillis()
 			);
 		}