--- pdfpc-4.6.0/src/CMakeLists.txt
+++ pdfpc-4.6.0/src/CMakeLists.txt
@@ -30,8 +30,8 @@
 endif ()
 
 if (MDVIEW)
-    pkg_check_modules(WEBKIT REQUIRED webkit2gtk-4.0)
-    set(MDVIEW_PACKAGES webkit2gtk-4.0)
+    pkg_check_modules(WEBKIT REQUIRED webkit2gtk-4.1)
+    set(MDVIEW_PACKAGES webkit2gtk-4.1)
     set(EXTRA_VALA_OPTIONS ${EXTRA_VALA_OPTIONS} -D MDVIEW)
 endif ()
 
@@ -136,7 +136,7 @@
 vala_precompile(VALA_C
     ${VALA_SRC}
 PACKAGES
-    webkit2gtk-4.0
+    webkit2gtk-4.1
     json-glib-1.0
     gio-2.0
     gee-0.8