diff --git a/.changeset/fix-mui-styles-shared-dep.md b/.changeset/fix-mui-styles-shared-dep.md
new file mode 100644
index 0000000000..0154c15559
--- /dev/null
+++ b/.changeset/fix-mui-styles-shared-dep.md
@@ -0,0 +1,5 @@
+---
+'@backstage/module-federation-common': patch
+---
+
+Fixed the `@mui/material/styles` shared dependency key by removing a trailing slash that caused module resolution failures with MUI package exports.
diff --git a/.patches/pr-32996.txt b/.patches/pr-32996.txt
new file mode 100644
index 0000000000..2dd0fde602
--- /dev/null
+++ b/.patches/pr-32996.txt
@@ -0,0 +1 @@
+Fixes the `@mui/material/styles` shared dependency key by removing a trailing slash that caused module resolution failures with MUI package exports.
\ No newline at end of file
diff --git a/packages/frontend-dynamic-feature-loader/src/loader.test.tsx b/packages/frontend-dynamic-feature-loader/src/loader.test.tsx
index cb066e8b21..081b3c730a 100644
--- a/packages/frontend-dynamic-feature-loader/src/loader.test.tsx
+++ b/packages/frontend-dynamic-feature-loader/src/loader.test.tsx
@@ -165,7 +165,7 @@ describe('dynamicFrontendFeaturesLoader', () => {
       shareConfig: { singleton: true, requiredVersion: '*', eager: true },
     },
     {
-      name: '@mui/material/styles/',
+      name: '@mui/material/styles',
       version: '5.16.14',
       lib: async () => ({ default: {} }),
       shareConfig: { singleton: true, requiredVersion: '*', eager: true },
diff --git a/packages/module-federation-common/src/defaults.ts b/packages/module-federation-common/src/defaults.ts
index 27e0e292cf..644d4ee480 100644
--- a/packages/module-federation-common/src/defaults.ts
+++ b/packages/module-federation-common/src/defaults.ts
@@ -55,7 +55,7 @@ const defaultSharedDependencies = {
   // MUI v5
   // not setting import: false for MUI packages as this
   // will break once Backstage moves to BUI
-  '@mui/material/styles/': {
+  '@mui/material/styles': {
     host: {},
     remote: {},
   },