diff --git a/dart/Dockerfile b/dart/Dockerfile
index f859a6b..fcdb6f6 100644
--- a/dart/Dockerfile
+++ b/dart/Dockerfile
@@ -1,7 +1,10 @@
-FROM dart:3.1
+FROM dart:3.2
 RUN dart pub global activate protoc_plugin
 RUN set -eux; \
     apt-get update; \
-    apt-get install -y --no-install-recommends protobuf-compiler; \
+    apt-get install -y --no-install-recommends \
+        libprotoc-dev \
+        protobuf-compiler \
+    ; \
     rm -rf /var/lib/apt/lists/*
 ENTRYPOINT ["/usr/bin/protoc"]