diff --git a/gazebo/9/ubuntu/bionic/gzclient9/Dockerfile b/gazebo/9/ubuntu/bionic/gzclient9/Dockerfile
index 3e36a1a38..5e65c81cb 100644
--- a/gazebo/9/ubuntu/bionic/gzclient9/Dockerfile
+++ b/gazebo/9/ubuntu/bionic/gzclient9/Dockerfile
@@ -12,5 +12,5 @@ RUN apt-get update && apt-get install -q -y \
 
 # install gazebo packages
 RUN apt-get update && apt-get install -q -y \
-    gazebo9=9.2.0-1* \
+    gazebo9=9.3.1-1* \
     && rm -rf /var/lib/apt/lists/*
diff --git a/gazebo/9/ubuntu/bionic/gzserver9/Dockerfile b/gazebo/9/ubuntu/bionic/gzserver9/Dockerfile
index 85d1052bd..39239e705 100644
--- a/gazebo/9/ubuntu/bionic/gzserver9/Dockerfile
+++ b/gazebo/9/ubuntu/bionic/gzserver9/Dockerfile
@@ -23,7 +23,7 @@ RUN . /etc/os-release \
 
 # install gazebo packages
 RUN apt-get update && apt-get install -q -y \
-    gazebo9=9.2.0-1* \
+    gazebo9=9.3.1-1* \
     && rm -rf /var/lib/apt/lists/*
 
 # setup environment
diff --git a/gazebo/9/ubuntu/bionic/gzweb9/Dockerfile b/gazebo/9/ubuntu/bionic/gzweb9/Dockerfile
index bfcf0f498..5cd0d8efa 100644
--- a/gazebo/9/ubuntu/bionic/gzweb9/Dockerfile
+++ b/gazebo/9/ubuntu/bionic/gzweb9/Dockerfile
@@ -22,7 +22,7 @@ RUN apt-get update && apt-get install -q -y \
 
 # install gazebo packages
 RUN apt-get update && apt-get install -q -y \
-    libgazebo9-dev=9.2.0-1* \
+    libgazebo9-dev=9.3.1-1* \
     && rm -rf /var/lib/apt/lists/*
 
 # clone gzweb
diff --git a/gazebo/9/ubuntu/bionic/libgazebo9/Dockerfile b/gazebo/9/ubuntu/bionic/libgazebo9/Dockerfile
index eea77a52c..e76de518f 100644
--- a/gazebo/9/ubuntu/bionic/libgazebo9/Dockerfile
+++ b/gazebo/9/ubuntu/bionic/libgazebo9/Dockerfile
@@ -3,5 +3,5 @@
 FROM gazebo:gzserver9
 # install gazebo packages
 RUN apt-get update && apt-get install -q -y \
-    libgazebo9-dev=9.2.0-1* \
+    libgazebo9-dev=9.3.1-1* \
     && rm -rf /var/lib/apt/lists/*