1 files changed, 2 insertions, 0 deletions
diff --git a/release.nix b/release.nix
index 834269ff7dc2..40df200fdc53 100644
--- a/release.nix
+++ b/release.nix
@@ -43,6 +43,8 @@ let
           (cd perl ; autoreconf --install --force --verbose)
           # TeX needs a writable font cache.
           export VARTEXFONTS=$TMPDIR/texfonts
+
+          cp -rv ${nlohmann_json}/include/nlohmann src/nlohmann
         '';
 
         distPhase =