diff --git a/Dockerfile b/Dockerfile
index 84f0c7fdfc..2343d0ef93 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ ARG DEBIAN_TAG=12.0-slim
 
 # Stage 1: build artifact and download deps
 
-FROM golang:1.20.5-alpine AS builder
+FROM golang:1.20.6-alpine AS builder
 
 ARG ATLANTIS_VERSION=dev
 ENV ATLANTIS_VERSION=${ATLANTIS_VERSION}
diff --git a/testing/Dockerfile b/testing/Dockerfile
index 7d576ed79d..a0aba93d20 100644
--- a/testing/Dockerfile
+++ b/testing/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20.5
+FROM golang:1.20.6
 
 RUN apt-get update && apt-get --no-install-recommends -y install unzip \
     && apt-get clean \