diff --git a/ansible/roles/docker/templates/ubuntu1804_sharedlibs.Dockerfile.j2 b/ansible/roles/docker/templates/ubuntu1804_sharedlibs.Dockerfile.j2
index edee9b654..072423361 100644
--- a/ansible/roles/docker/templates/ubuntu1804_sharedlibs.Dockerfile.j2
+++ b/ansible/roles/docker/templates/ubuntu1804_sharedlibs.Dockerfile.j2
@@ -49,7 +49,8 @@ ENV ICU64DIR=/opt/icu-64 \
     ICU67DIR=/opt/icu-67 \
     ICU68DIR=/opt/icu-68 \
     ICU69DIR=/opt/icu-69 \
-    ICU71DIR=/opt/icu-71
+    ICU71DIR=/opt/icu-71 \
+    ICU73DIR=/opt/icu-73
 
 RUN for ICU_ENV in $(env | grep ICU..DIR); do \
     ICU_PREFIX=$(echo $ICU_ENV | cut -d '=' -f 2) && \
diff --git a/ansible/roles/docker/templates/ubuntu2004_sharedlibs.Dockerfile.j2 b/ansible/roles/docker/templates/ubuntu2004_sharedlibs.Dockerfile.j2
index f15a62939..92b37259d 100644
--- a/ansible/roles/docker/templates/ubuntu2004_sharedlibs.Dockerfile.j2
+++ b/ansible/roles/docker/templates/ubuntu2004_sharedlibs.Dockerfile.j2
@@ -42,7 +42,8 @@ ENV ICU64DIR=/opt/icu-64.1 \
     ICU67DIR=/opt/icu-67.1 \
     ICU68DIR=/opt/icu-68.2 \
     ICU69DIR=/opt/icu-69.1 \
-    ICU71DIR=/opt/icu-71.1
+    ICU71DIR=/opt/icu-71.1 \
+    ICU73DIR=/opt/icu-73.2
 
 RUN for ICU_ENV in $(env | grep ICU..DIR); do \
     ICU_PREFIX=$(echo $ICU_ENV | cut -d '=' -f 2) && \
diff --git a/ansible/roles/docker/templates/ubuntu2204_sharedlibs.Dockerfile.j2 b/ansible/roles/docker/templates/ubuntu2204_sharedlibs.Dockerfile.j2
index d878a0b78..65bb6435c 100644
--- a/ansible/roles/docker/templates/ubuntu2204_sharedlibs.Dockerfile.j2
+++ b/ansible/roles/docker/templates/ubuntu2204_sharedlibs.Dockerfile.j2
@@ -37,7 +37,8 @@ RUN adduser --gid {{ server_user_gid.stdout_lines[0] }} --uid {{ server_user_uid
 
 ENV ICU68DIR=/opt/icu-68.1 \
     ICU69DIR=/opt/icu-69.1 \
-    ICU71DIR=/opt/icu-71.1
+    ICU71DIR=/opt/icu-71.1 \
+    ICU73DIR=/opt/icu-73.2
 
 RUN for ICU_ENV in $(env | grep ICU..DIR); do \
     ICU_PREFIX=$(echo $ICU_ENV | cut -d '=' -f 2) && \