diff --git a/services/data-manager/Dockerfile b/services/data-manager/Dockerfile
index 9e52f5d..0799b2d 100644
--- a/services/data-manager/Dockerfile
+++ b/services/data-manager/Dockerfile
@@ -50,7 +50,7 @@ EXPOSE 8090
 ENTRYPOINT ["./main", "serve"]
 
 
-FROM golang:1.21.6 AS dev
+FROM golang:1.23 AS dev
 
 # Set the Current Working Directory inside the container
 WORKDIR /htwkalender-data-manager
diff --git a/services/ical/Dockerfile b/services/ical/Dockerfile
index 19d231c..446d796 100644
--- a/services/ical/Dockerfile
+++ b/services/ical/Dockerfile
@@ -49,7 +49,7 @@ EXPOSE 8091
 ENTRYPOINT ["./main"]
 
 
-FROM golang:1.21.6 AS dev
+FROM golang:1.23 AS dev
 
 # Set the Current Working Directory inside the container
 WORKDIR /htwkalender-ical