diff --git a/indra/cmake/Copy3rdPartyLibs.cmake b/indra/cmake/Copy3rdPartyLibs.cmake
index cb7432ce4c9e9920278472d68509701aaa2898bf..bd55fc39c0fb52c8f1a623b9305496ddfdb68060 100644
--- a/indra/cmake/Copy3rdPartyLibs.cmake
+++ b/indra/cmake/Copy3rdPartyLibs.cmake
@@ -37,6 +37,7 @@ if(WINDOWS)
         libapriconv-1.dll
         ssleay32.dll
         libeay32.dll
+        nghttp2.dll
         glod.dll
         libhunspell.dll
         )
diff --git a/indra/newview/viewer_manifest.py b/indra/newview/viewer_manifest.py
index 29c9337cc14bf3be72fb3e5ebde53c081c34b205..ecff21e6d200116d74e8d2dbc6c88a40fcc8c1c3 100755
--- a/indra/newview/viewer_manifest.py
+++ b/indra/newview/viewer_manifest.py
@@ -454,6 +454,9 @@ def construct(self):
             self.path("ssleay32.dll")
             self.path("libeay32.dll")
 
+            # HTTP/2
+            self.path("nghttp2.dll")
+
             # Hunspell
             self.path("libhunspell.dll")