diff --git a/scripts/Dockerfile b/scripts/Dockerfile
index 64f554562e07a1292539ddbfdb9a2c153f5c6868..d5c6f16e649ae161f7c18c180bf7f4386d703dff 100644
--- a/scripts/Dockerfile
+++ b/scripts/Dockerfile
@@ -19,7 +19,7 @@ pkg-config \
 liblmdb-dev; \
 # Fetch sources
 mkdir /src; \
-git clone https://gitlab.labs.nic.cz/labs/knot.git /src/knot; \
+git clone -b resolver_improvements https://gitlab.labs.nic.cz/labs/knot.git /src/knot; \
 # Compile sources in the right order
 cd /src/knot && autoreconf -if && ./configure && make -j${THREADS} && make install && ldconfig; \
 # Trim down the image