diff --git a/docker/alpine.Dockerfile b/docker/alpine.Dockerfile
index 94bf2a5c..488ea2bc 100644
--- a/docker/alpine.Dockerfile
+++ b/docker/alpine.Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13 as runtime
+FROM alpine:3.12 as runtime
 
 RUN \
   apk add --update --no-cache --force-overwrite \
diff --git a/linux/Makefile b/linux/Makefile
index 7efd3f73..b1f31f27 100644
--- a/linux/Makefile
+++ b/linux/Makefile
@@ -48,14 +48,14 @@ BUILD_ARGS_COMMON = $(DOCKER_BUILD_ARGS) \
 BUILD_ARGS64 = $(BUILD_ARGS_COMMON) \
                --build-arg previous_crystal_release=$(PREVIOUS_CRYSTAL_RELEASE_LINUX64_TARGZ)	\
                --build-arg debian_image=debian:10 \
-               --build-arg alpine_image=alpine:3.13 \
+               --build-arg alpine_image=alpine:3.12 \
                --build-arg musl_target=x86_64-linux-musl \
                --build-arg gnu_target=x86_64-unknown-linux-gnu
 
 BUILD_ARGS32 = $(BUILD_ARGS_COMMON) \
                --build-arg previous_crystal_release=$(PREVIOUS_CRYSTAL_RELEASE_LINUX32_TARGZ) \
                --build-arg debian_image=i386/debian:10 \
-               --build-arg alpine_image=i386/alpine:3.13 \
+               --build-arg alpine_image=i386/alpine:3.12 \
                --build-arg musl_target=i686-linux-musl \
                --build-arg gnu_target=i686-unknown-linux-gnu