diff --git a/di-kodein/gradle.properties b/di-kodein/gradle.properties
index 97dde662..871da214 100644
--- a/di-kodein/gradle.properties
+++ b/di-kodein/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
diff --git a/filelisting/gradle.properties b/filelisting/gradle.properties
index 97dde662..871da214 100644
--- a/filelisting/gradle.properties
+++ b/filelisting/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
diff --git a/h2/gradle.properties b/h2/gradle.properties
index 97dde662..871da214 100644
--- a/h2/gradle.properties
+++ b/h2/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
diff --git a/httpbin/gradle.properties b/httpbin/gradle.properties
index fa344247..30ab4f01 100644
--- a/httpbin/gradle.properties
+++ b/httpbin/gradle.properties
@@ -1,5 +1,5 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
 
 org.gradle.jvmargs=-Xmx2g -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
diff --git a/kweet/gradle.properties b/kweet/gradle.properties
index 7cd9c292..f9cbca04 100644
--- a/kweet/gradle.properties
+++ b/kweet/gradle.properties
@@ -1,4 +1,4 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 exposed_version=0.40.1
 kotlin.code.style=official
diff --git a/location-header/gradle.properties b/location-header/gradle.properties
index 97dde662..871da214 100644
--- a/location-header/gradle.properties
+++ b/location-header/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
diff --git a/mongodb/gradle.properties b/mongodb/gradle.properties
index ed519ac5..15e0d166 100644
--- a/mongodb/gradle.properties
+++ b/mongodb/gradle.properties
@@ -1,4 +1,4 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 mongodb_version=4.8.0
 kotlin.code.style=official
diff --git a/postgres/gradle.properties b/postgres/gradle.properties
index 97dde662..871da214 100644
--- a/postgres/gradle.properties
+++ b/postgres/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
diff --git a/redirect-with-exception/gradle.properties b/redirect-with-exception/gradle.properties
index 97dde662..871da214 100644
--- a/redirect-with-exception/gradle.properties
+++ b/redirect-with-exception/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
diff --git a/reverse-proxy-ws/gradle.properties b/reverse-proxy-ws/gradle.properties
index 97dde662..871da214 100644
--- a/reverse-proxy-ws/gradle.properties
+++ b/reverse-proxy-ws/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
diff --git a/reverse-proxy/gradle.properties b/reverse-proxy/gradle.properties
index 97dde662..871da214 100644
--- a/reverse-proxy/gradle.properties
+++ b/reverse-proxy/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
diff --git a/rx/gradle.properties b/rx/gradle.properties
index 97dde662..871da214 100644
--- a/rx/gradle.properties
+++ b/rx/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
diff --git a/sse/gradle.properties b/sse/gradle.properties
index 97dde662..871da214 100644
--- a/sse/gradle.properties
+++ b/sse/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
diff --git a/structured-logging/gradle.properties b/structured-logging/gradle.properties
index 97dde662..871da214 100644
--- a/structured-logging/gradle.properties
+++ b/structured-logging/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
diff --git a/version-diff/gradle.properties b/version-diff/gradle.properties
index 97dde662..871da214 100644
--- a/version-diff/gradle.properties
+++ b/version-diff/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official
diff --git a/youkube/gradle.properties b/youkube/gradle.properties
index 97dde662..871da214 100644
--- a/youkube/gradle.properties
+++ b/youkube/gradle.properties
@@ -1,3 +1,3 @@
 kotlin_version=1.9.21
-logback_version=1.2.11
+logback_version=1.4.14
 kotlin.code.style=official