diff --git a/spack.yaml b/spack.yaml
index 817eaa5e50bfbc143c10ff24911d16d11aa646f0..988a3ae45948107022c3c225c30954ce1c0d3102 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -22,7 +22,7 @@ spack:
     - mesa@21.2.3 swr=none +opengl -llvm +osmesa
     - mesa-demos
     - nlohmann-json@3.10.4
-    - opencascade@7.4.0p1
+    - opencascade@7.5.3
     - pkg-config@0.29.2
     - podio@0.14 build_type=RelWithDebInfo
     - pythia8@8.306 +fastjet