diff --git a/conda/bob-devel/meta.yaml b/conda/bob-devel/meta.yaml
index d7b5e33d50b5f290439c622208ae2b2d6543600f..085bef388a31327fde618501f47425bcd39415d7 100644
--- a/conda/bob-devel/meta.yaml
+++ b/conda/bob-devel/meta.yaml
@@ -25,7 +25,7 @@ requirements:
     - boost 1.65.1
     - caffe 1.0  # [linux]
     - click 7.0
-    - click-plugins 1.0.4
+    - click-plugins 1.0.3
     - cmake 3.12.2
     - coverage 4.5.1
     - cyvlfeat 0.4.6
@@ -39,7 +39,7 @@ requirements:
     - jpeg 9b
     - kaldi 2017.03.13  # [linux]
     - libblitz 1.0.1
-    - libmatio 1.5.6
+    - libmatio 1.5.11
     - libogg 1.3.2
     - libpng 1.6.35
     - libsvm 3.22
@@ -53,7 +53,7 @@ requirements:
     - mr.developer 1.38
     - nose 1.3.7
     - numpy 1.15.1
-    - opencv 3.4.1
+    - opencv 3.3.1
     - pillow 5.2.0
     - pkg-config 0.29.2
     - pyedflib 0.1.11