diff --git a/python/python-psi-impl/src/com/jetbrains/python/codeInsight/completion/PyClassNameCompletionContributor.java b/python/python-psi-impl/src/com/jetbrains/python/codeInsight/completion/PyClassNameCompletionContributor.java
index 502aab2a99c7..d1376c08d893 100644
--- a/python/python-psi-impl/src/com/jetbrains/python/codeInsight/completion/PyClassNameCompletionContributor.java
+++ b/python/python-psi-impl/src/com/jetbrains/python/codeInsight/completion/PyClassNameCompletionContributor.java
@@ -205,7 +205,11 @@ public final class PyClassNameCompletionContributor extends PyImportableNameComp
                                                         @NotNull TypeEvalContext context) {
     if (PyTypingTypeProvider.isInsideTypeHint(position, context)) {
       // Not all names from typing.py are defined as classes
-      return definition instanceof PyClass || ArrayUtil.contains(fqn.getFirstComponent(), "typing", "typing_extensions");
+      return (
+        definition instanceof PyClass ||
+        definition instanceof PyTypeAliasStatement ||
+        ArrayUtil.contains(fqn.getFirstComponent(), "typing", "typing_extensions")
+      );
     }
     if (PsiTreeUtil.getParentOfType(position, PyPattern.class, false) != null) {
       return definition instanceof PyClass;
diff --git a/python/python-psi-impl/src/com/jetbrains/python/psi/PyFileElementType.java b/python/python-psi-impl/src/com/jetbrains/python/psi/PyFileElementType.java
index 0859cea62523..4a8f3c6f27bd 100644
--- a/python/python-psi-impl/src/com/jetbrains/python/psi/PyFileElementType.java
+++ b/python/python-psi-impl/src/com/jetbrains/python/psi/PyFileElementType.java
@@ -60,7 +60,7 @@ public class PyFileElementType extends IStubFileElementType<PyFileStub> {
   @Override
   public int getStubVersion() {
     // Don't forget to update versions of indexes that use the updated stub-based elements
-    return 96;
+    return 97;
   }
 
   @Override
diff --git a/python/python-psi-impl/src/com/jetbrains/python/psi/impl/stubs/PyTypeAliasStatementElementType.java b/python/python-psi-impl/src/com/jetbrains/python/psi/impl/stubs/PyTypeAliasStatementElementType.java
index 61d55e0586fe..bed4b5a75070 100644
--- a/python/python-psi-impl/src/com/jetbrains/python/psi/impl/stubs/PyTypeAliasStatementElementType.java
+++ b/python/python-psi-impl/src/com/jetbrains/python/psi/impl/stubs/PyTypeAliasStatementElementType.java
@@ -42,6 +42,7 @@ public class PyTypeAliasStatementElementType extends PyStubElementType<PyTypeAli
     String name = stub.getName();
     if (name != null && PyUtil.getInitialUnderscores(name) == 0 && stub.getParentStub() instanceof PyFileStub) {
       sink.occurrence(PyTypeAliasNameIndex.KEY, name);
+      sink.occurrence(PyExportedModuleAttributeIndex.KEY, name);
     }
   }
 
diff --git a/python/testData/completion/className/typeAlias/lib.py b/python/testData/completion/className/typeAlias/lib.py
new file mode 100644
index 000000000000..7ce4d1b8da36
--- /dev/null
+++ b/python/testData/completion/className/typeAlias/lib.py
@@ -0,0 +1 @@
+type ExampleType = int | str
diff --git a/python/testData/completion/className/typeAlias/typeAlias.after.py b/python/testData/completion/className/typeAlias/typeAlias.after.py
new file mode 100644
index 000000000000..4b871e51ab4b
--- /dev/null
+++ b/python/testData/completion/className/typeAlias/typeAlias.after.py
@@ -0,0 +1,3 @@
+from lib import ExampleType
+
+xs: ExampleType
diff --git a/python/testData/completion/className/typeAlias/typeAlias.py b/python/testData/completion/className/typeAlias/typeAlias.py
new file mode 100644
index 000000000000..83dfb1cd054c
--- /dev/null
+++ b/python/testData/completion/className/typeAlias/typeAlias.py
@@ -0,0 +1 @@
+xs: ExampleTy<caret>
diff --git a/python/testSrc/com/jetbrains/python/PyClassNameCompletionTest.java b/python/testSrc/com/jetbrains/python/PyClassNameCompletionTest.java
index eb61a5d6d47b..d4ecc77f793d 100644
--- a/python/testSrc/com/jetbrains/python/PyClassNameCompletionTest.java
+++ b/python/testSrc/com/jetbrains/python/PyClassNameCompletionTest.java
@@ -83,6 +83,11 @@ public class PyClassNameCompletionTest extends PyTestCase {
     doTest();
   }
 
+  // PY-78475
+  public void testTypeAlias() {
+    doTest();
+  }
+
   // PY-22422
   public void testReformatUpdatedFromImport() {
     getPythonCodeStyleSettings().FROM_IMPORT_WRAPPING = CommonCodeStyleSettings.WRAP_ALWAYS;