diff --git a/images/ckan/2.9/Dockerfile b/images/ckan/2.9/Dockerfile
index 41e0433..142ba85 100644
--- a/images/ckan/2.9/Dockerfile
+++ b/images/ckan/2.9/Dockerfile
@@ -1,7 +1,7 @@
 ##################
 ### Build CKAN ###
 ##################
-FROM alpine:3.18.2 as ckanbuild
+FROM alpine:3.16 as ckanbuild
 
 # Used by Github Actions to tag the image with
 ENV IMAGE_TAG=2.9.9
@@ -59,14 +59,18 @@ COPY ./scripts/apply_ckan_patches.sh ${SRC_DIR}/apply_ckan_patches.sh
 # Apply patches
 RUN ${SRC_DIR}/apply_ckan_patches.sh
 RUN rm -rf /srv/app/src/ckan/.git
+
+#### PATCH SINCE CYTON UPDATED TO 3.0.0 ###
+RUN sed -i 's/pyyaml==5.4.1/pyyaml>=6.0.1/g' ckan/requirements.txt
+
+# RUN pip-compile ckan/requirements.in 
 RUN pip wheel --wheel-dir=/wheels -r ckan/requirements.txt
 RUN pip wheel --wheel-dir=/wheels uWSGI==2.0.20 gevent==21.12.0 greenlet==1.1.3
 
-
 ###########################
 ### Default-Extensions ####
 ###########################
-FROM alpine:3.18.2 as extbuild
+FROM alpine:3.16 as extbuild
 
 # Set src dirs
 ENV SRC_DIR=/srv/app/src
@@ -101,7 +105,7 @@ RUN pip wheel --wheel-dir=/wheels git+${ENVVARS_GIT_URL}@${ENVVARS_GIT_BRANCH}#e
 ############
 ### MAIN ###
 ############
-FROM alpine:3.18.2
+FROM alpine:3.16
 
 LABEL maintainer="Keitaro Inc <info@keitaro.com>"
 LABEL org.opencontainers.image.source https://github.com/keitaroinc/docker-ckan