diff --git a/dev-setup/install_protoc_linux.sh b/dev-setup/install_protoc_linux.sh
index d01a780..8f5052e 100755
--- a/dev-setup/install_protoc_linux.sh
+++ b/dev-setup/install_protoc_linux.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-PROTOC_VERSION="24.3" # Keep in sync with veilid-core/build.rs
+PROTOC_VERSION="25.3"
 
 UNAME_M=$(uname -m)
 if [[ "$UNAME_M" == "x86_64" ]]; then 
diff --git a/dev-setup/setup_windows.bat b/dev-setup/setup_windows.bat
index b7e3ef6..7338b58 100644
--- a/dev-setup/setup_windows.bat
+++ b/dev-setup/setup_windows.bat
@@ -17,7 +17,7 @@ IF NOT DEFINED ProgramFiles(x86) (
 FOR %%X IN (protoc.exe) DO (SET PROTOC_FOUND=%%~$PATH:X)
 IF NOT DEFINED PROTOC_FOUND (
     echo protobuf compiler ^(protoc^) is required but it's not installed. Install protoc 23.2 or higher. Ensure it is in your path. Aborting.
-    echo protoc is available here: https://github.com/protocolbuffers/protobuf/releases/download/v23.2/protoc-23.2-win64.zip
+    echo protoc is available here: https://github.com/protocolbuffers/protobuf/releases/download/v25.3/protoc-25.3-win64.zip
     goto end
 )