diff --git a/conda/bob-devel/meta.yaml b/conda/bob-devel/meta.yaml
index 4f38a076a8c11ac2cec2665e0eb9d6a004d49d87..c9f04c6c25ee596f0707701443870b5750af31c9 100644
--- a/conda/bob-devel/meta.yaml
+++ b/conda/bob-devel/meta.yaml
@@ -52,8 +52,8 @@ requirements:
     - mne 0.15.2
     - mr.developer 1.38
     - nose 1.3.7
-    - numpy 1.15.1
-    - opencv 3.3.1
+    - numpy 1.15.4
+    - opencv 3.4.2
     - pillow 5.2.0
     - pkg-config 0.29.2
     - pyedflib 0.1.11