diff --git a/spack.yaml b/spack.yaml
index 9013f583de5add56c97004d74c4178405a5f8a19..615818fb3eed318fe8b3539abb8f4f55bcbb9809 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -20,7 +20,7 @@ spack:
     - imagemagick@7.0.8-7
     - madx@5.06.1
     - mesa@21.2.3 swr=none +opengl -llvm +osmesa
-    - nlohmann-json@3.9.1
+    - nlohmann-json@3.10.4
     - opencascade@7.4.0p1
     - pkg-config@0.29.2
     - podio@0.14 build_type=RelWithDebInfo