diff --git a/.rive_head b/.rive_head
index 2f45f73f..16f26cbd 100644
--- a/.rive_head
+++ b/.rive_head
@@ -1 +1 @@
-66d9f1725eca90876a29f029de002b2a4f919a19
+8c7ac03294339ae2ad856b541c730dc16cec018d
diff --git a/build/build_rive.sh b/build/build_rive.sh
index b3c4f87c..cb1a3054 100755
--- a/build/build_rive.sh
+++ b/build/build_rive.sh
@@ -77,7 +77,7 @@ case "$(uname -s)" in
         fi
         NUM_CORES=$(($(sysctl -n hw.physicalcpu) + 1))
         ;;
-    MINGW*)
+    MINGW*|MSYS*)
         HOST_MACHINE="windows"
         NUM_CORES=$NUMBER_OF_PROCESSORS
         # Try to find MSBuild.exe