diff --git a/Dockerfile b/Dockerfile
index f8a0e15c..4a4a9259 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21 as builder
+FROM golang:1.22 as builder
 RUN apt-get update && apt-get install -y pdftk make gcc g++ ca-certificates \
     && rm -rf /var/lib/apt/lists/*