diff --git a/ci/x86_64-freebsd-release.sh b/ci/x86_64-freebsd-release.sh
index 114f63bf8693840663ad8da4db5a01c1582e19bb..4c1fa4347940f100ae807a4bfd5a85f2c439a3f2 100755
--- a/ci/x86_64-freebsd-release.sh
+++ b/ci/x86_64-freebsd-release.sh
@@ -57,6 +57,10 @@ stage3-release/bin/zig build test docs \
   --zig-lib-dir "$PWD/../lib" \
   --test-timeout 2m
 
+# Ensure that the fuzzer at least compiles.
+stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=ReleaseSafe
+stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=Debug
+
 # Ensure that stage3 and stage4 are byte-for-byte identical.
 stage3-release/bin/zig build \
   --prefix stage4-release \
diff --git a/ci/x86_64-netbsd-release.sh b/ci/x86_64-netbsd-release.sh
index 6fe3302c931f1cfaf77bd899aa65e0139c1c7c49..7ffce5e4f2e1483484e0dd468d1d1b86553aba3b 100755
--- a/ci/x86_64-netbsd-release.sh
+++ b/ci/x86_64-netbsd-release.sh
@@ -51,6 +51,10 @@ stage3-release/bin/zig build test docs \
   --zig-lib-dir "$PWD/../lib" \
   --test-timeout 2m
 
+# Ensure that the fuzzer at least compiles.
+stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=ReleaseSafe
+stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=Debug
+
 # Ensure that stage3 and stage4 are byte-for-byte identical.
 stage3-release/bin/zig build \
   --prefix stage4-release \
diff --git a/ci/x86_64-openbsd-release.sh b/ci/x86_64-openbsd-release.sh
index d340ae8581dc219ace6efd6c386e23fcaaa50443..378e41addf638a20d77f10a8f00fe71a40fc754e 100755
--- a/ci/x86_64-openbsd-release.sh
+++ b/ci/x86_64-openbsd-release.sh
@@ -51,6 +51,11 @@ stage3-release/bin/zig build test docs \
   --zig-lib-dir "$PWD/../lib" \
   --test-timeout 2m
 
+# Ensure that the fuzzer at least compiles.
+# https://codeberg.org/ziglang/zig/issues/30728
+#stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=ReleaseSafe
+#stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=Debug
+
 # Ensure that stage3 and stage4 are byte-for-byte identical.
 stage3-release/bin/zig build \
   --prefix stage4-release \