diff --git a/containers/ants.Dockerfile b/containers/ants.Dockerfile
index 3dd93e8..bc8609f 100644
--- a/containers/ants.Dockerfile
+++ b/containers/ants.Dockerfile
@@ -45,19 +45,18 @@ FROM ants-base as ants-install
 
 ARG ANTS_INSTALL_PATH
 ARG ANTS_REVISION
+ARG ANTS_AFFINE_SYN_REVISION
 
 ENV ANTS_INSTALL_PATH=${ANTS_INSTALL_PATH:-/ants}
 ENV ANTS_REVISION=${ANTS_REVISION:-v2.3.4}
+ENV ANTS_AFFINE_SYN_REVISION=${ANTS_AFFINE_SYN_REVISION:-1.1}
 
 ENV ANTSPATH=${ANTS_INSTALL_PATH}/bin/
 ENV PATH=$PATH:$ANTSPATH
 
 COPY --from=ants --link ${ANTS_INSTALL_PATH} ${ANTS_INSTALL_PATH}
-
-RUN --mount=type=cache,sharing=locked,target=/var/cache/apt \
-    apt-get update && apt-get -y install \
-        zlib1g-dev && \
-    rm -rf /var/lib/apt/lists/*
+ADD https://raw.githubusercontent.com/CoBrALab/antsRegistration_affine_SyN/refs/tags/${ANTS_AFFINE_SYN_REVISION}/antsRegistration_affine_SyN.sh ${ANTSPATH}
+RUN chmod +x ${ANTSPATH}/antsRegistration_affine_SyN.sh
 
 WORKDIR /
 RUN ( [ -f "VERSION" ] || touch VERSION ) && \
diff --git a/docker-bake.hcl b/docker-bake.hcl
index 8aec7f8..240fe28 100644
--- a/docker-bake.hcl
+++ b/docker-bake.hcl
@@ -501,6 +501,7 @@ target "ants" {
     args = {
         ANTS_BUILD_NTHREADS = "6"
         ANTS_REVISION = "${ants-revision}"
+        ANTS_AFFINE_SYN_REVISION = "${ants-affine-syn-revision}"
     }
     cache-from = [
         "type=registry,ref=${dockerhub-user-pull}/build-cache:ants",
@@ -593,4 +594,4 @@ target "scilus-base-cache" {
         "type=registry,ref=scilus/build-cache:ants",
         "type=registry,ref=scilus/build-cache:cmake"
     ]
-}
\ No newline at end of file
+}
diff --git a/docker-bake.override.hcl b/docker-bake.override.hcl
index 7eaecd5..ef8af72 100644
--- a/docker-bake.override.hcl
+++ b/docker-bake.override.hcl
@@ -11,6 +11,7 @@ dmriqcpy-revision="0.1.7"
 scilpy-revision="2.2.0"
 
 ants-revision="v2.6.2"
+ants-affine-syn-revision="1.1"
 cmake-revision="v3.21.6"
 fsl-version="6.0.7.18.scilus.lean"
 fsl-installer-version="3.14.0"