diff --git a/mingw-w64-crt/Makefile.am b/mingw-w64-crt/Makefile.am
index 8ae9e13..161203f 100644
--- a/mingw-w64-crt/Makefile.am
+++ b/mingw-w64-crt/Makefile.am
@@ -2538,6 +2538,7 @@
 		%/libapi-ms-win-core-timezone-l1-1-0.a \
 		%/libapi-ms-win-core-timezone-l1-1-1.a \
 		%/libapi-ms-win-core-toolhelp-l1-1-0.a \
+		%/libapi-ms-win-core-toolhelp-l1-1-1.a \
 		%/libapi-ms-win-core-url-l1-1-0.a \
 		%/libapi-ms-win-core-util-l1-1-0.a \
 		%/libapi-ms-win-core-util-l1-1-1.a \
diff --git a/mingw-w64-crt/lib-common/api-ms-win-core-toolhelp-l1-1-1.def b/mingw-w64-crt/lib-common/api-ms-win-core-toolhelp-l1-1-1.def
new file mode 100644
index 0000000..1a999f88
--- /dev/null
+++ b/mingw-w64-crt/lib-common/api-ms-win-core-toolhelp-l1-1-1.def
@@ -0,0 +1,8 @@
+LIBRARY api-ms-win-core-toolhelp-l1-1-1
+
+EXPORTS
+
+Heap32First
+Heap32ListFirst
+Heap32ListNext
+Heap32Next
diff --git a/mingw-w64-crt/lib-common/onecore_apiset.mri b/mingw-w64-crt/lib-common/onecore_apiset.mri
index b1fe685..cae0613 100644
--- a/mingw-w64-crt/lib-common/onecore_apiset.mri
+++ b/mingw-w64-crt/lib-common/onecore_apiset.mri
@@ -160,7 +160,7 @@
 ADDLIB libapi-ms-win-core-timezone-l1-1-0.a
 ADDLIB libapi-ms-win-core-timezone-l1-1-1.a
 ADDLIB libapi-ms-win-core-toolhelp-l1-1-0.a
-; FIXME libapi-ms-win-core-toolhelp-l1-1-1.a
+ADDLIB libapi-ms-win-core-toolhelp-l1-1-1.a
 ADDLIB libapi-ms-win-core-url-l1-1-0.a
 ADDLIB libapi-ms-win-core-util-l1-1-0.a
 ADDLIB libapi-ms-win-core-util-l1-1-1.a
diff --git a/mingw-w64-crt/lib32/api-ms-win-core-toolhelp-l1-1-1.def b/mingw-w64-crt/lib32/api-ms-win-core-toolhelp-l1-1-1.def
new file mode 100644
index 0000000..b099e37
--- /dev/null
+++ b/mingw-w64-crt/lib32/api-ms-win-core-toolhelp-l1-1-1.def
@@ -0,0 +1,8 @@
+LIBRARY api-ms-win-core-toolhelp-l1-1-1
+
+EXPORTS
+
+Heap32First@12
+Heap32ListFirst@8
+Heap32ListNext@8
+Heap32Next@4