diff --git a/Dockerfile b/Dockerfile
index 69b317ac..907379dc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,10 @@
 FROM rust:1.67 as router-builder
 
-RUN apt-get update && apt-get install -y protobuf-compiler && rm -rf /var/lib/apt/lists/*
+RUN PROTOC_ZIP=protoc-21.12-linux-x86_64.zip && \
+    curl -OL https://github.com/protocolbuffers/protobuf/releases/download/v21.12/$PROTOC_ZIP && \
+    unzip -o $PROTOC_ZIP -d /usr/local bin/protoc && \
+    unzip -o $PROTOC_ZIP -d /usr/local 'include/*' && \
+    rm -f $PROTOC_ZIP
 
 WORKDIR /usr/src
 
diff --git a/README.md b/README.md
index 97216b50..39cec857 100644
--- a/README.md
+++ b/README.md
@@ -154,7 +154,11 @@ You may also need to install Protoc.
 On Linux:
 
 ```shell
-sudo apt install -y protobuf-compiler
+PROTOC_ZIP=protoc-21.12-linux-x86_64.zip
+curl -OL https://github.com/protocolbuffers/protobuf/releases/download/v21.12/$PROTOC_ZIP
+sudo unzip -o $PROTOC_ZIP -d /usr/local bin/protoc
+sudo unzip -o $PROTOC_ZIP -d /usr/local 'include/*'
+rm -f $PROTOC_ZIP
 ```
 
 On MacOS, using Homebrew: