diff --git a/riotbuild/Dockerfile b/riotbuild/Dockerfile
index 75392e2c..ef06cbe9 100644
--- a/riotbuild/Dockerfile
+++ b/riotbuild/Dockerfile
@@ -298,7 +298,7 @@ ENV PATH $PATH:/opt/riot-toolchain/msp430-elf/${RIOT_TOOLCHAIN_GCCPKGVER}/bin
 
 # install required python packages from file
 # numpy must be already installed before installing some other requirements (emlearn)
-RUN pip3 install --no-cache-dir numpy==1.17.4
+RUN pip3 install --no-cache-dir numpy==1.22.4
 COPY requirements.txt /tmp/requirements.txt
 RUN echo 'Installing python3 packages' >&2 \
     && pip3 install --no-cache-dir pybind11 \