diff --git a/cf-acceptance-tests/Dockerfile b/cf-acceptance-tests/Dockerfile
index 10731d36..181a4727 100644
--- a/cf-acceptance-tests/Dockerfile
+++ b/cf-acceptance-tests/Dockerfile
@@ -16,12 +16,12 @@ RUN apt update \
 ENV GOPATH /go
 ENV PATH /go/bin:/usr/local/go/bin:$PATH
 
-ENV GO_VERSION "1.20"
+ENV GO_VERSION "1.21.1"
 ENV CF_CLI_VERSION "8.6.0"
 ENV CF_LOG_CACHE_VERSION "2.1.0"
 
 RUN \
-  wget https://dl.google.com/go/go${GO_VERSION}.linux-amd64.tar.gz -P /tmp && \
+  wget https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz -P /tmp && \
   tar xzvf /tmp/go${GO_VERSION}.linux-amd64.tar.gz -C /usr/local && \
   mkdir $GOPATH && \
   rm -rf /tmp/*
diff --git a/cf-acceptance-tests/cf-acceptance-tests_spec.rb b/cf-acceptance-tests/cf-acceptance-tests_spec.rb
index e866c503..ba187d5d 100644
--- a/cf-acceptance-tests/cf-acceptance-tests_spec.rb
+++ b/cf-acceptance-tests/cf-acceptance-tests_spec.rb
@@ -2,7 +2,7 @@
 require 'docker'
 require 'serverspec'
 
-GO_VERSION="1.20"
+GO_VERSION="1.21.1"
 CF_CLI_VERSION="8.6.0"
 LOG_CACHE_CLI_VERSION="2.1.0"