diff --git a/Dockerfile b/Dockerfile
index 5d050d2..4b2faec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@ RUN \
     https://github.com/selkies-project/selkies.git \
     /src && \
   cd /src && \
-  git checkout -f 2c0aabaa23de037f0c0697f493856027a1e322fd
+  git checkout -f 7638d0995c55b6a6ba752e820334c5c6ebec18a2
 
 RUN \
   echo "**** build frontend ****" && \
@@ -70,6 +70,7 @@ RUN \
     libjpeg-turbo-devel \
     libX11-devel \
     libXext-devel \
+    libXfixes-devel \
     make \
     pkgconf-pkg-config \
     python3-devel \
@@ -173,7 +174,7 @@ RUN \
   pip3 install pixelflux --break-system-packages && \
   curl -o \
     /tmp/selkies.tar.gz -L \
-    "https://github.com/selkies-project/selkies/archive/2c0aabaa23de037f0c0697f493856027a1e322fd.tar.gz" && \
+    "https://github.com/selkies-project/selkies/archive/7638d0995c55b6a6ba752e820334c5c6ebec18a2.tar.gz" && \
   cd /tmp && \
   tar xf selkies.tar.gz && \
   cd selkies-* && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 34016ad..909fef2 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -15,7 +15,7 @@ RUN \
     https://github.com/selkies-project/selkies.git \
     /src && \
   cd /src && \
-  git checkout -f 2c0aabaa23de037f0c0697f493856027a1e322fd
+  git checkout -f 7638d0995c55b6a6ba752e820334c5c6ebec18a2
 
 RUN \
   echo "**** build frontend ****" && \
@@ -70,6 +70,7 @@ RUN \
     libjpeg-turbo-devel \
     libX11-devel \
     libXext-devel \
+    libXfixes-devel \
     make \
     pkgconf-pkg-config \
     python3-devel \
@@ -172,7 +173,7 @@ RUN \
   pip3 install pixelflux --break-system-packages && \
   curl -o \
     /tmp/selkies.tar.gz -L \
-    "https://github.com/selkies-project/selkies/archive/2c0aabaa23de037f0c0697f493856027a1e322fd.tar.gz" && \
+    "https://github.com/selkies-project/selkies/archive/7638d0995c55b6a6ba752e820334c5c6ebec18a2.tar.gz" && \
   cd /tmp && \
   tar xf selkies.tar.gz && \
   cd selkies-* && \