diff --git a/di-kodein/gradle.properties b/di-kodein/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official
diff --git a/filelisting/gradle.properties b/filelisting/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official
diff --git a/h2/gradle.properties b/h2/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official
diff --git a/httpbin/gradle.properties b/httpbin/gradle.properties
index fa344247..f4bf2a51 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=1.5.9
 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..8199b070 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=1.5.9
 exposed_version=0.40.1
 kotlin.code.style=official
diff --git a/location-header/gradle.properties b/location-header/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official
diff --git a/mongodb/gradle.properties b/mongodb/gradle.properties
index ed519ac5..af961760 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=1.5.9
 mongodb_version=4.8.0
 kotlin.code.style=official
diff --git a/mvc-web/gradle.properties b/mvc-web/gradle.properties
index 395040ca..e6b1dcf4 100644
--- a/mvc-web/gradle.properties
+++ b/mvc-web/gradle.properties
@@ -1,5 +1,5 @@
 kotlin_version=1.9.20
-logback_version=1.4.11
+logback_version=1.5.9
 exposed_version=0.41.1
 h2_version=2.1.214
 kotlin.code.style=official
diff --git a/native-image-server-with-yaml-config/gradle.properties b/native-image-server-with-yaml-config/gradle.properties
index 95926f20..6de67ad8 100644
--- a/native-image-server-with-yaml-config/gradle.properties
+++ b/native-image-server-with-yaml-config/gradle.properties
@@ -1,4 +1,4 @@
 kotlin.code.style=official
 ktor_version=3.0.0-beta-2
 kotlin_version=2.0.10
-logback_version=1.4.14
+logback_version=1.5.9
diff --git a/opentelemetry/gradle.properties b/opentelemetry/gradle.properties
index b0adf025..0481c2dd 100644
--- a/opentelemetry/gradle.properties
+++ b/opentelemetry/gradle.properties
@@ -1,6 +1,6 @@
 ktor_version=2.3.12
 kotlin_version=1.9.21
-logback_version=1.4.11
+logback_version=1.5.9
 kotlin.code.style=official
 
 opentelemetry_version=1.32.0
diff --git a/postgres/gradle.properties b/postgres/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official
diff --git a/redirect-with-exception/gradle.properties b/redirect-with-exception/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official
diff --git a/reverse-proxy-ws/gradle.properties b/reverse-proxy-ws/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official
diff --git a/reverse-proxy/gradle.properties b/reverse-proxy/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official
diff --git a/rx/gradle.properties b/rx/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official
diff --git a/sse/gradle.properties b/sse/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official
diff --git a/structured-logging/gradle.properties b/structured-logging/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official
diff --git a/version-diff/gradle.properties b/version-diff/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official
diff --git a/youkube/gradle.properties b/youkube/gradle.properties
index 97dde662..c5e20697 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=1.5.9
 kotlin.code.style=official