diff --git a/ci/test b/ci/test
index 564fe64..a22916b 100755
--- a/ci/test
+++ b/ci/test
@@ -5,7 +5,7 @@
 
 set -xeuo pipefail
 
-cache_prefix="${HERMETIC_CC_TOOLCHAIN_CACHE_PREFIX:-/tmp/hermetic_cc_toolchain}"
+cache_prefix="${HERMETIC_CC_TOOLCHAIN_CACHE_PREFIX:-/tmp/zig-cache}"
 
 # check a very hermetic setup with a single target. Re-building all of
 # them takes a long time, so using only one. If we ever decide to build all
diff --git a/toolchain/defs.bzl b/toolchain/defs.bzl
index 943fe0e..4b9eb25 100644
--- a/toolchain/defs.bzl
+++ b/toolchain/defs.bzl
@@ -154,7 +154,7 @@ def _zig_repository_impl(repository_ctx):
         if os == "windows":
             cache_prefix = "C:\\\\Temp\\\\hermetic_cc_toolchain"
         else:
-            cache_prefix = "/tmp/hermetic_cc_toolchain"
+            cache_prefix = "/tmp/zig-cache"
 
     repository_ctx.template(
         "tools/launcher.zig",