diff --git a/tools/docker/Dockerfile.make_cp2k_psmp b/tools/docker/Dockerfile.make_cp2k_psmp
index 5ab2bec9bd..83a1420c72 100644
--- a/tools/docker/Dockerfile.make_cp2k_psmp
+++ b/tools/docker/Dockerfile.make_cp2k_psmp
@@ -36,7 +36,7 @@ RUN apt-get update -qq && apt-get install -qq --no-install-recommends \
     zstd \
     && rm -rf /var/lib/apt/lists/*
 
-ARG SPACK_CACHE="gs://cp2k-spack-cache"
+ARG SPACK_CACHE="s3://spack-cache --s3-endpoint-url=http://localhost:9000"
 
 WORKDIR /opt
 COPY . cp2k/
diff --git a/tools/docker/Dockerfile.make_cp2k_ssmp b/tools/docker/Dockerfile.make_cp2k_ssmp
index ecd7f843c9..928f632d44 100644
--- a/tools/docker/Dockerfile.make_cp2k_ssmp
+++ b/tools/docker/Dockerfile.make_cp2k_ssmp
@@ -36,7 +36,7 @@ RUN apt-get update -qq && apt-get install -qq --no-install-recommends \
     zstd \
     && rm -rf /var/lib/apt/lists/*
 
-ARG SPACK_CACHE="gs://cp2k-spack-cache"
+ARG SPACK_CACHE="s3://spack-cache --s3-endpoint-url=http://localhost:9000"
 
 WORKDIR /opt
 COPY . cp2k/
diff --git a/tools/docker/generate_dockerfiles.py b/tools/docker/generate_dockerfiles.py
index 848f5c26b6..d8bce9c8c3 100755
--- a/tools/docker/generate_dockerfiles.py
+++ b/tools/docker/generate_dockerfiles.py
@@ -701,7 +701,7 @@ RUN apt-get update -qq && apt-get install -qq --no-install-recommends \
     zstd \
     && rm -rf /var/lib/apt/lists/*
 
-ARG SPACK_CACHE="gs://cp2k-spack-cache"
+ARG SPACK_CACHE="s3://spack-cache --s3-endpoint-url=http://localhost:9000"
 
 WORKDIR /opt
 COPY . cp2k/