diff --git a/projects/open62541/Dockerfile b/projects/open62541/Dockerfile
index a06d47d9fc19..c9d79ed7eaf7 100644
--- a/projects/open62541/Dockerfile
+++ b/projects/open62541/Dockerfile
@@ -15,13 +15,7 @@
 ################################################################################
 
 FROM gcr.io/oss-fuzz-base/base-builder:ubuntu-24-04
-RUN apt-get update && apt-get install -y make cmake python-six wget
-# We need libmbedtls > 2.5.1 otherwise it does not include the lib for static linking
-RUN wget https://open62541.org/libmbedtls/libmbedtls-dev_2.6.0-1_amd64.deb && \
-    wget https://open62541.org/libmbedtls/libmbedcrypto0_2.6.0-1_amd64.deb && \
-    wget https://open62541.org/libmbedtls/libmbedtls10_2.6.0-1_amd64.deb && \
-    wget https://open62541.org/libmbedtls/libmbedx509-0_2.6.0-1_amd64.deb && \
-    dpkg -i *.deb
+RUN apt-get update && apt-get install -y make cmake python3-six wget libmbedtls-dev
 RUN git clone --depth 1 https://github.com/open62541/open62541.git -bmaster open62541
 WORKDIR open62541
 RUN git submodule update --init --recursive
diff --git a/projects/open62541/build.sh b/projects/open62541/build.sh
index 74051db21d83..4ecc70266935 100755
--- a/projects/open62541/build.sh
+++ b/projects/open62541/build.sh
@@ -28,7 +28,7 @@ cd $WORK/open62541
 # > 600 No LOG output
 
 cmake -DCMAKE_BUILD_TYPE=Debug -DUA_ENABLE_AMALGAMATION=OFF \
-      -DPYTHON_EXECUTABLE:FILEPATH=/usr/bin/python2 \
+      -DPYTHON_EXECUTABLE:FILEPATH=/usr/bin/python3 \
       -DBUILD_SHARED_LIBS=OFF -DUA_BUILD_EXAMPLES=OFF -DUA_LOGLEVEL=600 \
       -DUA_ENABLE_ENCRYPTION=ON \
       -DUA_BUILD_OSS_FUZZ=ON \