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-rw-r--r--kokoro/Dockerfile2
1 files changed, 1 insertions, 1 deletions
diff --git a/kokoro/Dockerfile b/kokoro/Dockerfile
index 526d6c3..f2901f8 100644
--- a/kokoro/Dockerfile
+++ b/kokoro/Dockerfile
@@ -32,7 +32,7 @@ RUN apt-get update && apt-get install -y \
 ENV RUSTUP_HOME=/usr/local/rustup \
     CARGO_HOME=/usr/local/cargo \
     PATH=/usr/local/cargo/bin:$PATH \
-    RUST_VERSION=1.30.0
+    RUST_VERSION=1.31.0
 
 # Debian usually has an old rust version in the repository. Instead of using that, we use rustup to
 # pull in a toolchain versions of our choosing.