diff --git a/projects/pyzmq/Dockerfile b/projects/pyzmq/Dockerfile
index 710555f0a40a..bb16d8bf1cbd 100644
--- a/projects/pyzmq/Dockerfile
+++ b/projects/pyzmq/Dockerfile
@@ -13,7 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 FROM gcr.io/oss-fuzz-base/base-builder-python
-RUN pip3 install --upgrade pip cython
-RUN git clone https://github.com/zeromq/pyzmq pyzmq
+RUN apt-get update && apt-get install -y libzmq3-dev
+RUN python -m pip install cython
+RUN git clone --depth 1 --branch main https://github.com/zeromq/pyzmq pyzmq
 COPY *.sh *py $SRC/
 WORKDIR $SRC/pyzmq
diff --git a/projects/pyzmq/build.sh b/projects/pyzmq/build.sh
index 83cdadf8cadb..ac81d920ad6c 100644
--- a/projects/pyzmq/build.sh
+++ b/projects/pyzmq/build.sh
@@ -14,7 +14,8 @@
 # limitations under the License.
 #
 ################################################################################
-pip3 install .
+python -m pip install .
+
 for fuzzer in $(find $SRC -name 'fuzz_*.py'); do
-  compile_python_fuzzer $fuzzer
+    compile_python_fuzzer $fuzzer --collect-all="pyzmq"
 done