diff --git a/Dockerfile b/Dockerfile
index e3973c6..ea9051f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@ RUN \
     https://github.com/selkies-project/selkies.git \
     /src && \
   cd /src && \
-  git checkout -f 3ff61d3cc017e8492630bf0db2449bc556e20f2e
+  git checkout -f 0b649144b958c38aa33ba8d76befe4d4bcb14e76
 
 RUN \
   echo "**** build shared core library ****" && \
@@ -192,10 +192,11 @@ RUN \
     | awk '/tag_name/{print $4;exit}' FS='[""]') && \
   curl -o \
     /tmp/selkies.tar.gz -L \
-    "https://github.com/selkies-project/selkies/archive/3ff61d3cc017e8492630bf0db2449bc556e20f2e.tar.gz" && \
+    "https://github.com/selkies-project/selkies/archive/0b649144b958c38aa33ba8d76befe4d4bcb14e76.tar.gz" && \
   cd /tmp && \
   tar xf selkies.tar.gz && \
   cd selkies-* && \
+  sed -i '/"av>/d' pyproject.toml && \
   sed -i '/cryptography/d' pyproject.toml && \
   python3 \
     -m venv \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 4f6aa9a..2e4ce59 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -16,7 +16,7 @@ RUN \
     https://github.com/selkies-project/selkies.git \
     /src && \
   cd /src && \
-  git checkout -f 3ff61d3cc017e8492630bf0db2449bc556e20f2e
+  git checkout -f 0b649144b958c38aa33ba8d76befe4d4bcb14e76
 
 RUN \
   echo "**** build shared core library ****" && \
@@ -190,10 +190,11 @@ RUN \
     | awk '/tag_name/{print $4;exit}' FS='[""]') && \
   curl -o \
     /tmp/selkies.tar.gz -L \
-    "https://github.com/selkies-project/selkies/archive/3ff61d3cc017e8492630bf0db2449bc556e20f2e.tar.gz" && \
+    "https://github.com/selkies-project/selkies/archive/0b649144b958c38aa33ba8d76befe4d4bcb14e76.tar.gz" && \
   cd /tmp && \
   tar xf selkies.tar.gz && \
   cd selkies-* && \
+  sed -i '/"av>/d' pyproject.toml && \
   sed -i '/cryptography/d' pyproject.toml && \
   python3 \
     -m venv \