diff --git a/Dockerfile b/Dockerfile
index b6e1a5e..3d33f8f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM lsiobase/alpine:3.11
+FROM lsiobase/alpine:3.12
 
 # set version label
 ARG BUILD_DATE
@@ -14,7 +14,7 @@ RUN \
 	jq \
 	openssl \
 	p7zip \
-	python \
+	python3 \
 	rsync \
 	tar \
 	transmission-cli \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 9cec149..a1b804a 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,4 +1,4 @@
-FROM lsiobase/alpine:arm64v8-3.11
+FROM lsiobase/alpine:arm64v8-3.12
 
 # set version label
 ARG BUILD_DATE
@@ -14,7 +14,7 @@ RUN \
 	jq \
 	openssl \
 	p7zip \
-	python \
+	python3 \
 	rsync \
 	tar \
 	transmission-cli \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index bdba7cc..774d018 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -1,4 +1,4 @@
-FROM lsiobase/alpine:arm32v7-3.11
+FROM lsiobase/alpine:arm32v7-3.12
 
 # set version label
 ARG BUILD_DATE
@@ -14,7 +14,7 @@ RUN \
 	jq \
 	openssl \
 	p7zip \
-	python \
+	python3 \
 	rsync \
 	tar \
 	transmission-cli \