diff --git a/pkgs/by-name/fb/fb303/package.nix b/pkgs/by-name/fb/fb303/package.nix
index a3fdf927a78c..8c5c45da94da 100644
--- a/pkgs/by-name/fb/fb303/package.nix
+++ b/pkgs/by-name/fb/fb303/package.nix
@@ -6,6 +6,7 @@
 
   cmake,
 
+  gflags,
   glog,
   folly,
   fbthrift,
@@ -31,6 +32,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   buildInputs =
     [
+      gflags
       glog
       folly
       fbthrift