diff --git a/Dockerfile b/Dockerfile
index 5484d7c..c9927e4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -69,7 +69,7 @@ RUN wget https://www.python.org/ftp/python/${PYTHON_VER}/Python-${PYTHON_VER}.tg
 # Compile the MET libraries
 #
 ARG MET_COMPILE_SCRIPT_BRANCH=develop
-ARG MET_TAR_FILE_VERSION_NAME=met-base-v3.2
+ARG MET_TAR_FILE_VERSION_NAME=met-base-v3.3
 RUN echo "Pulling compilation script from MET branch ${MET_COMPILE_SCRIPT_BRANCH}" \
  && wget https://dtcenter.ucar.edu/dfiles/code/METplus/MET/installation/tar_files.${MET_TAR_FILE_VERSION_NAME}.tgz \
  && wget https://raw.githubusercontent.com/dtcenter/MET/${MET_COMPILE_SCRIPT_BRANCH}/internal/scripts/installation/compile_MET_all.sh \
diff --git a/README.md b/README.md
index 4151313..479e7dc 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,11 @@ Please see the [MET website](https://dtcenter.org/community-code/model-evaluatio
 Version History
 ===============
 
+v3.3
+----
+
+* Update METbaseimage to use newer versions of ecKit and Atlas libraries (#27)
+
 v3.2
 ----