diff --git a/base/comps/components-full.toml b/base/comps/components-full.toml
index 2e3337b76f7..a27b7fb5df0 100644
--- a/base/comps/components-full.toml
+++ b/base/comps/components-full.toml
@@ -6473,7 +6473,6 @@
 [components.'rust-streebog0.9']
 [components.rust-streebog]
 [components.rust-strength_reduce]
-[components.'rust-string_cache0.8']
 [components.rust-string_cache]
 [components.rust-string_cache_codegen]
 [components.rust-stringprep]
diff --git a/base/comps/rust-string_cache0.8/rust-string_cache0.8.comp.toml b/base/comps/rust-string_cache0.8/rust-string_cache0.8.comp.toml
new file mode 100644
index 00000000000..aa040088b60
--- /dev/null
+++ b/base/comps/rust-string_cache0.8/rust-string_cache0.8.comp.toml
@@ -0,0 +1,5 @@
+[components.'rust-string_cache0.8']
+# Pin to the f43 commit used to build the current Fedora 43 package.
+# TODO: Drop this override once the default Fedora 43 snapshot
+# in distro/azurelinux.distro.toml advances past this commit.
+spec = { type = "upstream", upstream-name = "rust-string_cache", upstream-distro = { name = "fedora", version = "43" }, upstream-commit = "0823d01a166f380d91468ed92c16bc57ad04398b" }