diff --git a/apps/cic-eth/docker/Dockerfile b/apps/cic-eth/docker/Dockerfile
index 5139fd1a..59c8d65e 100644
--- a/apps/cic-eth/docker/Dockerfile
+++ b/apps/cic-eth/docker/Dockerfile
@@ -11,7 +11,7 @@ ARG EXTRA_PIP_INDEX_URL=https://pip.grassrootseconomics.net:8433
 ARG EXTRA_PIP_ARGS=""
 ARG PIP_INDEX_URL=https://pypi.org/simple
 
-RUN apt-get update -y && apt-get install libffi-dev
+RUN apt-get install libffi-dev
 
 RUN    pip install --index-url $PIP_INDEX_URL \
     --pre \
diff --git a/apps/cic-eth/requirements.txt b/apps/cic-eth/requirements.txt
index f23756a8..bfb64a1d 100644
--- a/apps/cic-eth/requirements.txt
+++ b/apps/cic-eth/requirements.txt
@@ -1,4 +1,4 @@
 celery==4.4.7
-chainlib-eth>=0.0.10a3,<0.1.0
+chainlib-eth>=0.0.10a4,<0.1.0
 semver==2.13.0
 crypto-dev-signer>=0.4.15rc2,<0.5.0