diff --git a/tendermint_pack/test/e2e/docker/Dockerfile b/tendermint_pack/test/e2e/docker/Dockerfile
old mode 100755
new mode 100644
index 807b9f57..0945749d
--- a/tendermint_pack/test/e2e/docker/Dockerfile
+++ b/tendermint_pack/test/e2e/docker/Dockerfile
@@ -1,7 +1,7 @@
 # We need to build in a Linux environment to support C libraries, e.g. RocksDB.
 # We use Debian instead of Alpine, so that we can use binary database packages
 # instead of spending time compiling them.
-FROM golang:1.15
+FROM golang:1.27
 
 RUN apt-get -qq update -y && apt-get -qq upgrade -y >/dev/null
 RUN apt-get -qq install -y libleveldb-dev librocksdb-dev >/dev/null