diff --git a/Dockerfile b/Dockerfile
index 5ebae97..ec74766 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,5 +15,6 @@ RUN sed -i 's@deb.debian.org@apt-cache.lan/deb.debian.org@g' /etc/apt/sources.li
 	apt-get clean -y && \ 
 	rm -rf /var/lib/apt/lists/* && \
 	rm -rf /var/cache/apt/* && \
-	rm /etc/distcc/hosts #no zeroconf for distcc
+	rm /etc/distcc/hosts #no zeroconf for distcc; \
+    ln -s /usr/lib/distcc-pump/lib/python3.7/site-packages/include_server /usr/lib/distcc-pump/; #hack pythonpath issue
 
diff --git a/kernel-build-pine64-armbian.yaml b/kernel-build-pine64-armbian.yaml
index 5a39f42..38e0717 100644
--- a/kernel-build-pine64-armbian.yaml
+++ b/kernel-build-pine64-armbian.yaml
@@ -21,8 +21,8 @@ spec:
         #!/usr/bin/env bash
         echo 'deb-src http://apt-cache.lan/deb.debian.org/debian testing main' > /etc/apt/sources.list.d/src-testing.list
         echo 'deb http://apt-cache.lan/deb.debian.org/debian testing main' > /etc/apt/sources.list.d/testing.list
-        apt update -y
-        apt install -y linux-source $(apt-cache search linux-source |awk '{print $1}' |tail -1) 
+       # apt update -y
+       # apt install -y linux-source $(apt-cache search linux-source |awk '{print $1}' |tail -1) 
     - name: unpack-kernel-source
       image: cr.lan/debian-kernel-build-stable
       script: |
@@ -44,11 +44,13 @@ spec:
         cd /usr/src/linux-source-5.10
         #distcc config
         echo "localhost/1,cpp,lzo --randomize distcc-0.distcc,cpp,lzo distcc-1.distcc,cpp,lzo distcc-2.distcc,cpp,lzo distcc-3.distcc,cpp,lzo" >/etc/distcc/hosts
-        export CC=distcc GCC=distcc CPP=distcc
         echo "ALL DISTCC HOSTS"
         distcc --show-hosts
         echo "/ALL DISTCC HOSTS"
-        make -j4 bindeb-pkg LOCALVERSION=-pine1
+        dpkg -L distcc-pump
+        #hack pythonpath issue
+        ln -s /usr/lib/distcc-pump/lib/python3.7/site-packages/include_server /usr/lib/distcc-pump/
+        distcc-pump make -j20 bindeb-pkg LOCALVERSION=-pine1 CC=distcc
     - name: cleanup-workspace-post
       image: alpine
       command:
diff --git a/kernel-build-riotboard.yaml b/kernel-build-riotboard.yaml
index eb257cc..86cc101 100644
--- a/kernel-build-riotboard.yaml
+++ b/kernel-build-riotboard.yaml
@@ -21,8 +21,8 @@ spec:
         #!/usr/bin/env bash
         echo 'deb-src http://apt-cache.lan/deb.debian.org/debian testing main' > /etc/apt/sources.list.d/src-testing.list
         echo 'deb http://apt-cache.lan/deb.debian.org/debian testing main' > /etc/apt/sources.list.d/testing.list
-        apt update -y
-        apt install -y $(apt-cache search linux-source |awk '{print $1}' |tail -1) 
+        #apt update -y
+        #apt install -y $(apt-cache search linux-source |awk '{print $1}' |tail -1) 
     - name: unpack-kernel-source
       image: cr.lan/debian-kernel-build-stable
       script: |
@@ -41,12 +41,11 @@ spec:
         cd /usr/src/linux-source-${VER}
         #distcc config
         echo "localhost/1,cpp,lzo --randomize distcc-0.distcc,cpp,lzo distcc-1.distcc,cpp,lzo distcc-2.distcc,cpp,lzo distcc-3.distcc,cpp,lzo" >/etc/distcc/hosts
-        export CC=distcc GCC=distcc CPP=distcc
         echo "ALL DISTCC HOSTS"
         distcc --show-hosts
         echo "/ALL DISTCC HOSTS"
-        make ARCH=arm KBUILD_DEBARCH=armhf CROSS_COMPILE=arm-linux-gnueabihf- \
-             -j4 bindeb-pkg LOCALVERSION=-riot2
+        distcc-pump make ARCH=arm KBUILD_DEBARCH=armhf CROSS_COMPILE=arm-linux-gnueabihf- \
+             -j4 bindeb-pkg LOCALVERSION=-riot2 CC=distcc
     - name: cleanup-workspace-post
       image: alpine
       command: