diff --git a/docker/Dockerfile b/docker/Dockerfile
index 1e8d560..8039547 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -8,7 +8,7 @@
 # RUN:
 #   docker run -e VMPOOLER_CONFIG -p 80:4567 -it vmpooler
 
-FROM jruby:9.4.3.0-jdk11
+FROM jruby:9.4.4.0-jdk11
 
 LABEL org.opencontainers.image.description "VMPooler plus all known providers"
 
diff --git a/docker/Dockerfile.dev b/docker/Dockerfile.dev
index 2a1373a..54442b7 100644
--- a/docker/Dockerfile.dev
+++ b/docker/Dockerfile.dev
@@ -9,7 +9,7 @@
 # Then change directory into vmpooler-projects and build with: 
 
 
-FROM jruby:9.4.3.0-jdk11
+FROM jruby:9.4.4.0-jdk11
 
 LABEL org.opencontainers.image.description "VMPooler plus all known providers"