diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 504dcec..46fbff4 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,4 +1,4 @@
-FROM lsiobase/mono.arm64:xenial
+FROM lsiobase/mono.arm64:5.14
 
 # Add qemu to build on x86_64 systems
 COPY qemu-aarch64-static /usr/bin
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 8d34026..4377d14 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -1,4 +1,4 @@
-FROM lsiobase/mono.armhf:xenial
+FROM lsiobase/mono.armhf:5.14
 
 # Add qemu to build on x86_64 systems
 COPY qemu-arm-static /usr/bin