diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c06004..dc7202b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 3.8.7
+
+### Patch Changes
+
+- [#377](https://github.com/import-js/eslint-import-resolver-typescript/pull/377) [`a14fdd9`](https://github.com/import-js/eslint-import-resolver-typescript/commit/a14fdd95011c4c09b74f71854410f684c0f04bc5) Thanks [@carlocorradini](https://github.com/carlocorradini)! - fix: include mapper with no files and force non-dynamic projects to use absolute paths
+
 ## 3.8.6
 
 ### Patch Changes
diff --git a/package.json b/package.json
index 8d601b8..128f7b8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "eslint-import-resolver-typescript",
-  "version": "3.8.6",
+  "version": "3.8.7",
   "type": "module",
   "description": "This plugin adds `TypeScript` support to `eslint-plugin-import`",
   "repository": "git+https://github.com/import-js/eslint-import-resolver-typescript",
diff --git a/src/index.ts b/src/index.ts
index c5a8822..46ba89f 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -430,7 +430,9 @@ function initMappers(options: InternalResolverOptions) {
   // Turn glob patterns into paths
   const projectPaths = [
     ...new Set([
-      ...configPaths.filter(path => !isDynamicPattern(path)),
+      ...configPaths
+        .filter(p => !isDynamicPattern(p))
+        .map(p => path.resolve(process.cwd(), p)),
       ...globSync(
         configPaths.filter(path => isDynamicPattern(path)),
         {
@@ -504,11 +506,6 @@ function initMappers(options: InternalResolverOptions) {
                 : []),
             ]
 
-      if (files.length === 0) {
-        // eslint-disable-next-line unicorn/no-useless-undefined
-        return undefined
-      }
-
       return {
         path: toNativePathSeparator(tsconfigResult.path),
         files: new Set(files.map(toNativePathSeparator)),