diff --git a/headers/3rdparty/variant/config.hpp b/headers/3rdparty/variant/config.hpp
index 0d741793..cf919d85 100644
--- a/headers/3rdparty/variant/config.hpp
+++ b/headers/3rdparty/variant/config.hpp
@@ -39,7 +39,7 @@
 #endif
 
 #if defined(__cpp_constexpr) && __cpp_constexpr >= 201304 && \
-    !(defined(_MSC_VER) && _MSC_VER <= 1915)
+    (defined(_MSC_VER) && _MSC_VER != 1915)
 #define MPARK_CPP14_CONSTEXPR
 #endif
 
diff --git a/modules/glfw b/modules/glfw
index 5595fa3a..d9466050 160000
--- a/modules/glfw
+++ b/modules/glfw
@@ -1 +1 @@
-Subproject commit 5595fa3ae60386bdb6ae4caf8f488779e3c342a3
+Subproject commit d9466050d9f61699f3ecba5ab2ca8a0a774dff53
diff --git a/modules/variant b/modules/variant
index ac41b45c..1a861281 160000
--- a/modules/variant
+++ b/modules/variant
@@ -1 +1 @@
-Subproject commit ac41b45c744861116a0484cb17f336310a5ffd99
+Subproject commit 1a861281fc1c6fd2037d050a70ff53dcbb635d93
diff --git a/scripts/update_modules.sh b/scripts/update_modules.sh
index 6abb7a51..effae0aa 100755
--- a/scripts/update_modules.sh
+++ b/scripts/update_modules.sh
@@ -23,10 +23,10 @@ mkdir -p $UNTESTS_DIR/catch
 cp -fv $MODULES_DIR/catch2/single_include/catch2/catch.hpp $UNTESTS_DIR/catch/catch.hpp
 
 mkdir -p $SOURCES_RDPARTY_DIR/glfw
-cp -rfv $MODULES_DIR/glfw/include/GLFW/ $SOURCES_RDPARTY_DIR/glfw/
+cp -rfv $MODULES_DIR/glfw/include/GLFW/. $SOURCES_RDPARTY_DIR/glfw/
 
 mkdir -p $SOURCES_RDPARTY_DIR/glew
-cp -rfv $MODULES_DIR/glew/include/GL/ $SOURCES_RDPARTY_DIR/glew/
+cp -rfv $MODULES_DIR/glew/include/GL/. $SOURCES_RDPARTY_DIR/glew/
 
 mkdir -p $SOURCES_RDPARTY_DIR/stb
 cp -fv $MODULES_DIR/stb/stb_image.h $SOURCES_RDPARTY_DIR/stb/stb_image.h
@@ -37,7 +37,7 @@ cp -fv $MODULES_DIR/stb/stb_sprintf.h $SOURCES_RDPARTY_DIR/stb/stb_sprintf.h
 cp -fv $MODULES_DIR/stb/stb_truetype.h $SOURCES_RDPARTY_DIR/stb/stb_truetype.h
 
 mkdir -p $SOURCES_RDPARTY_DIR/utfcpp
-cp -rfv $MODULES_DIR/utfcpp/source/ $SOURCES_RDPARTY_DIR/utfcpp/
+cp -rfv $MODULES_DIR/utfcpp/source/. $SOURCES_RDPARTY_DIR/utfcpp/
 
 mkdir -p $HEADERS_RDPARTY_DIR/variant
-cp -rfv $MODULES_DIR/variant/include/mpark/ $HEADERS_RDPARTY_DIR/variant/
+cp -rfv $MODULES_DIR/variant/include/mpark/. $HEADERS_RDPARTY_DIR/variant/