diff --git a/Earthfile b/Earthfile
index fdf87c0946..a98e1b4701 100644
--- a/Earthfile
+++ b/Earthfile
@@ -14,9 +14,9 @@ install-other-libs:
 install-zig-llvm-valgrind-clippy-rustfmt:
     FROM +install-other-libs
     # zig
-    RUN wget -c https://ziglang.org/download/0.8.0/zig-linux-x86_64-0.8.0.tar.xz --no-check-certificate
-    RUN tar -xf zig-linux-x86_64-0.8.0.tar.xz
-    RUN ln -s /earthbuild/zig-linux-x86_64-0.8.0/zig /usr/bin/zig
+    RUN wget -c https://ziglang.org/download/0.9.0/zig-linux-x86_64-0.9.0.tar.xz --no-check-certificate
+    RUN tar -xf zig-linux-x86_64-0.9.0.tar.xz
+    RUN ln -s /earthbuild/zig-linux-x86_64-0.9.0/zig /usr/bin/zig
     # llvm
     RUN apt -y install lsb-release software-properties-common gnupg
     RUN wget https://apt.llvm.org/llvm.sh
diff --git a/ci/install-ci-libraries.sh b/ci/install-ci-libraries.sh
index 09dc7c01c7..384382b02f 100755
--- a/ci/install-ci-libraries.sh
+++ b/ci/install-ci-libraries.sh
@@ -76,9 +76,9 @@ popd
 valgrind --version
 
 # install zig - can't use apt-get since we require at least a specific commit later then the most recent tag (0.6.0)
-wget -c https://ziglang.org/download/0.7.1/zig-linux-x86_64-0.7.1.tar.xz --no-check-certificate
-tar -xf zig-linux-x86_64-0.7.1.tar.xz
-ln -s "$PWD/zig-linux-x86_64-0.7.1/zig" /usr/local/bin/zig
+wget -c https://ziglang.org/download/0.9.0/zig-linux-x86_64-0.9.0.tar.xz --no-check-certificate
+tar -xf zig-linux-x86_64-0.9.0.tar.xz
+ln -s "$PWD/zig-linux-x86_64-0.9.0/zig" /usr/local/bin/zig
 
 # test sccache
 ./ci/sccache -V