diff --git a/src/win32/cairo-dwrite-font.cpp b/src/win32/cairo-dwrite-font.cpp
index 480512000..3f2b455f0 100644
--- a/src/win32/cairo-dwrite-font.cpp
+++ b/src/win32/cairo-dwrite-font.cpp
@@ -2437,3 +2437,9 @@ _cairo_dwrite_scaled_font_create_win32_scaled_font (cairo_scaled_font_t *scaled_
     *new_font = font;
     return CAIRO_INT_STATUS_SUCCESS;
 }
+
+void
+cairo_win32_dwrite_finalize ()
+{
+    DWriteFactory::Finalize();
+}
diff --git a/src/win32/cairo-dwrite-private.hpp b/src/win32/cairo-dwrite-private.hpp
index c2c06d2c1..5e1168cd1 100644
--- a/src/win32/cairo-dwrite-private.hpp
+++ b/src/win32/cairo-dwrite-private.hpp
@@ -121,6 +121,24 @@ public:
 	return family;
     }
 
+    static void Finalize()
+    {
+        /* Loader-lock-safe */
+
+        if (_cairo_atomic_init_once_check (&mOnceSystemCollection)) {
+            cairo_win32_async_com_release (mSystemCollection.forget().drop());
+        }
+
+        if (_cairo_atomic_init_once_check (&mOnceFactories)) {
+            cairo_win32_async_com_release (mFactoryInstance.forget().drop());
+            cairo_win32_async_com_release (mFactoryInstance1.forget().drop());
+            cairo_win32_async_com_release (mFactoryInstance2.forget().drop());
+            cairo_win32_async_com_release (mFactoryInstance3.forget().drop());
+            cairo_win32_async_com_release (mFactoryInstance4.forget().drop());
+            cairo_win32_async_com_release (mFactoryInstance8.forget().drop());
+        }
+    }
+
 private:
     static void InitializeFactories()
     {
diff --git a/src/win32/cairo-win32-private.h b/src/win32/cairo-win32-private.h
index 410a95aa8..25662ef48 100644
--- a/src/win32/cairo-win32-private.h
+++ b/src/win32/cairo-win32-private.h
@@ -45,6 +45,7 @@
 #include "cairo-win32.h"
 
 #include <windows.h>
+#include <unknwn.h>
 
 #define WIN32_FONT_LOGICAL_SCALE 32
 
@@ -243,6 +244,9 @@ typedef DWORD (__stdcall *stdcall_free_func_t) (void *);
 void
 cairo_win32_async_stdcall_free (stdcall_free_func_t func, void *data);
 
+void
+cairo_win32_async_com_release (IUnknown *iface_ptr);
+
 typedef struct {
     HDC hdc;
     cairo_bool_t free_hdc;
@@ -277,6 +281,9 @@ cairo_int_status_t
 _cairo_dwrite_scaled_font_create_win32_scaled_font (cairo_scaled_font_t *scaled_font,
                                                     cairo_scaled_font_t **new_font);
 
+void
+cairo_win32_dwrite_finalize (void);
+
 #endif /* CAIRO_HAS_DWRITE_FONT */
 
 CAIRO_END_DECLS
diff --git a/src/win32/cairo-win32-system.c b/src/win32/cairo-win32-system.c
index ce7ece96f..9397b5a9f 100644
--- a/src/win32/cairo-win32-system.c
+++ b/src/win32/cairo-win32-system.c
@@ -115,6 +115,15 @@ cairo_win32_async_stdcall_free (stdcall_free_func_t func, void *data)
     QueueUserWorkItem (func, data, WT_EXECUTEDEFAULT);
 }
 
+void
+cairo_win32_async_com_release (IUnknown *iface_ptr)
+{
+    if (iface_ptr) {
+        QueueUserWorkItem ((void *) iface_ptr->lpVtbl->Release,
+                           iface_ptr, WT_EXECUTEDEFAULT);
+    }
+}
+
 static void
 cairo_win32_initialize (void)
 {
@@ -125,6 +134,8 @@ cairo_win32_initialize (void)
 static void
 cairo_win32_finalize (void)
 {
+    cairo_win32_dwrite_finalize ();
+
     cairo_win32_thread_data_finalize ();
     CAIRO_MUTEX_FINALIZE ();
 }