use rust 1.65
diff --git a/build/docker/README.md b/build/docker/README.md
index abf0823..9c9175f 100644
--- a/build/docker/README.md
+++ b/build/docker/README.md
@@ -191,6 +191,6 @@
| python | 2.7.12 | 2.7.15 | |
| python3 | 3.5.2 | 3.6.8 | |
| ruby | 2.3.1p112 | 2.5.1p57 | |
-| rust | 1.61.0 | 1.61.0 | |
+| rust | 1.65.0 | 1.65.0 | |
| smalltalk | | | Not in CI |
| swift | | 5.1.4 | |
diff --git a/build/docker/old/ubuntu-disco/Dockerfile b/build/docker/old/ubuntu-disco/Dockerfile
index 55dc853..58eea96 100644
--- a/build/docker/old/ubuntu-disco/Dockerfile
+++ b/build/docker/old/ubuntu-disco/Dockerfile
@@ -254,7 +254,7 @@
ruby-bundler
# Rust dependencies
-RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain 1.61.0 -y
+RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain 1.65.0 -y
ENV PATH /root/.cargo/bin:$PATH
# Swift on Linux for cross tests
diff --git a/build/docker/old/ubuntu-xenial/Dockerfile b/build/docker/old/ubuntu-xenial/Dockerfile
index d954e7f..1eb06c0 100644
--- a/build/docker/old/ubuntu-xenial/Dockerfile
+++ b/build/docker/old/ubuntu-xenial/Dockerfile
@@ -249,7 +249,7 @@
ruby-bundler
# Rust dependencies
-RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain 1.61.0 -y
+RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain 1.65.0 -y
# Locale(s) for cpp unit tests
RUN apt-get install -y --no-install-recommends \
diff --git a/build/docker/ubuntu-bionic/Dockerfile b/build/docker/ubuntu-bionic/Dockerfile
index d6d2bda..c89181a 100644
--- a/build/docker/ubuntu-bionic/Dockerfile
+++ b/build/docker/ubuntu-bionic/Dockerfile
@@ -254,7 +254,7 @@
ruby-bundler
# Rust dependencies
-RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain 1.61.0 -y
+RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain 1.65.0 -y
ENV PATH /root/.cargo/bin:$PATH
# Swift on Linux for cross tests
diff --git a/build/docker/ubuntu-focal/Dockerfile b/build/docker/ubuntu-focal/Dockerfile
index 1f30573..7ebbbec 100644
--- a/build/docker/ubuntu-focal/Dockerfile
+++ b/build/docker/ubuntu-focal/Dockerfile
@@ -241,7 +241,7 @@
ruby-bundler
# Rust dependencies
-RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain 1.61.0 -y
+RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain 1.65.0 -y
ENV PATH /root/.cargo/bin:$PATH
# Swift on Linux for cross tests
diff --git a/build/docker/ubuntu-jammy/Dockerfile b/build/docker/ubuntu-jammy/Dockerfile
index c7724e7..5101be9 100644
--- a/build/docker/ubuntu-jammy/Dockerfile
+++ b/build/docker/ubuntu-jammy/Dockerfile
@@ -241,7 +241,7 @@
ruby-bundler
# Rust dependencies
-RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain 1.61.0 -y
+RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain 1.65.0 -y
ENV PATH /root/.cargo/bin:$PATH
# Swift on Linux for cross tests