diff --git a/Dockerfile.v0.13 b/Dockerfile.v0.13
index 0cd6252b6c820f5872f28efe3984e728a1e738f2..b8fc3b418ead5a06f2961ea2b4053ddf36f273f4 100644
--- a/Dockerfile.v0.13
+++ b/Dockerfile.v0.13
@@ -1,5 +1,5 @@
 # development image
-ARG BASE=alpine:3.10
+ARG BASE=alpine:3.13
 FROM $BASE AS builder
 
 # install development dependencies
diff --git a/build.sh b/build.sh
index 6db80f6f7e34a435dbcb21170d88ac86d4262d95..f19b88eb28cc60b8c321dd0ddf3e84acd5951699 100755
--- a/build.sh
+++ b/build.sh
@@ -9,17 +9,17 @@ docker build . \
     -f Dockerfile.v0.13 \
     --pull \
     -t ${NAME}:v0.13.1 \
-    --build-arg BASE=alpine:3.10
+    --build-arg BASE=alpine:3.13
 docker build . \
     -f Dockerfile.v0.13 \
     --pull \
     -t ${NAME}:v0.13.1-aarch64 \
-    --build-arg BASE=multiarch/alpine:aarch64-v3.10
+    --build-arg BASE=multiarch/alpine:aarch64-v3.13
 docker build . \
     -f Dockerfile.v0.13 \
     --pull \
     -t ${NAME}:v0.13.1-armhf \
-    --build-arg BASE=multiarch/alpine:armhf-v3.10
+    --build-arg BASE=multiarch/alpine:armhf-v3.13
 
 docker tag ${NAME}:v0.13.1-aarch64 ${NAME}:aarch64
 docker tag ${NAME}:v0.13.1-armhf ${NAME}:armhf