diff --git a/ansible/roles/docker/templates/ubuntu1804_sharedlibs.Dockerfile.j2 b/ansible/roles/docker/templates/ubuntu1804_sharedlibs.Dockerfile.j2
index 67e397051..2efbb4d82 100644
--- a/ansible/roles/docker/templates/ubuntu1804_sharedlibs.Dockerfile.j2
+++ b/ansible/roles/docker/templates/ubuntu1804_sharedlibs.Dockerfile.j2
@@ -43,7 +43,8 @@ ENV ICU64DIR=/opt/icu-64 \
     ICU65DIR=/opt/icu-65 \
     ICU67DIR=/opt/icu-67 \
     ICU68DIR=/opt/icu-68 \
-    ICU69DIR=/opt/icu-69
+    ICU69DIR=/opt/icu-69 \
+    ICU71DIR=/opt/icu-71
 
 RUN for ICU_ENV in $(env | grep ICU..DIR); do \
     ICU_PREFIX=$(echo $ICU_ENV | cut -d '=' -f 2) && \
@@ -83,15 +84,16 @@ RUN mkdir -p /tmp/openssl-$OPENSSL3VER && \
     make install && \
     rm -rf /tmp/openssl-$OPENSSL3VER
 
-ENV ZLIB12DIR /opt/zlib_1.2.11
+ENV ZLIBVER 1.2.12
+ENV ZLIB12DIR /opt/zlib_$ZLIBVER
 
-RUN mkdir -p /tmp/zlib_1.2.11 && \
-    cd /tmp/zlib_1.2.11 && \
-    curl -sL https://zlib.net/zlib-1.2.11.tar.gz | tar zxv --strip=1 && \
+RUN mkdir -p /tmp/zlib_$ZLIBVER && \
+    cd /tmp/zlib_$ZLIBVER && \
+    curl -sL https://zlib.net/zlib-$ZLIBVER.tar.gz | tar zxv --strip=1 && \
     ./configure --prefix=$ZLIB12DIR && \
     make -j 6 && \
     make install && \
-    rm -rf /tmp/zlib_1.2.11
+    rm -rf /tmp/zlib_$ZLIBVER
 
 VOLUME /home/{{ server_user }}/ /home/{{ server_user }}/.ccache
 
diff --git a/ansible/roles/docker/templates/ubuntu2004_sharedlibs.Dockerfile.j2 b/ansible/roles/docker/templates/ubuntu2004_sharedlibs.Dockerfile.j2
index df7ab789f..122a03180 100644
--- a/ansible/roles/docker/templates/ubuntu2004_sharedlibs.Dockerfile.j2
+++ b/ansible/roles/docker/templates/ubuntu2004_sharedlibs.Dockerfile.j2
@@ -39,7 +39,8 @@ ENV ICU64DIR=/opt/icu-64.1 \
     ICU65DIR=/opt/icu-65.1 \
     ICU67DIR=/opt/icu-67.1 \
     ICU68DIR=/opt/icu-68.2 \
-    ICU69DIR=/opt/icu-69.1
+    ICU69DIR=/opt/icu-69.1 \
+    ICU71DIR=/opt/icu-71.1
 
 RUN for ICU_ENV in $(env | grep ICU..DIR); do \
     ICU_PREFIX=$(echo $ICU_ENV | cut -d '=' -f 2) && \
@@ -81,15 +82,16 @@ RUN mkdir -p /tmp/openssl-$OPENSSL3VER && \
     make install && \
     rm -rf /tmp/openssl-$OPENSSL3VER
 
-ENV ZLIB12DIR /opt/zlib_1.2.11
+ENV ZLIBVER 1.2.12
+ENV ZLIB12DIR /opt/zlib_$ZLIBVER
 
-RUN mkdir -p /tmp/zlib_1.2.11 && \
-    cd /tmp/zlib_1.2.11 && \
-    curl -sL https://zlib.net/zlib-1.2.11.tar.gz | tar zxv --strip=1 && \
+RUN mkdir -p /tmp/zlib_$ZLIBVER && \
+    cd /tmp/zlib_$ZLIBVER && \
+    curl -sL https://zlib.net/zlib-$ZLIBVER.tar.gz | tar zxv --strip=1 && \
     ./configure --prefix=$ZLIB12DIR && \
     make -j 6 && \
     make install && \
-    rm -rf /tmp/zlib_1.2.11
+    rm -rf /tmp/zlib_$ZLIBVER
 
 VOLUME /home/{{ server_user }}/ /home/{{ server_user }}/.ccache