diff --git a/.github/workflows/update_protobufs.yml b/.github/workflows/update_protobufs.yml
index f57a68a..747749d 100644
--- a/.github/workflows/update_protobufs.yml
+++ b/.github/workflows/update_protobufs.yml
@@ -18,9 +18,9 @@ jobs:
           
       - name: Download nanopb
         run: |
-          wget https://jpa.kapsi.fi/nanopb/download/nanopb-0.4.4-linux-x86.tar.gz
-          tar xvzf nanopb-0.4.4-linux-x86.tar.gz
-          mv nanopb-0.4.4-linux-x86 nanopb-0.4.4
+          wget https://jpa.kapsi.fi/nanopb/download/nanopb-0.4.6-linux-x86.tar.gz
+          tar xvzf nanopb-0.4.6-linux-x86.tar.gz
+          mv nanopb-0.4.6-linux-x86 nanopb-0.4.6
           
       - name: Re-generate protocol buffers
         run: |