diff --git a/conda/meta.yaml b/conda/meta.yaml
index f5f86c2..af0a3d5 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -20,15 +20,20 @@ requirements:
   # run_constrained:                                            # [osx]
   #  - __osx >={{ MACOSX_DEPLOYMENT_TARGET|default("10.9") }}  # [osx]
   build:
+    - python
     - {{ compiler('cxx')}} 
     - make                               # [unix]
+    - pkg-config                         # [linux]
     - sysroot_linux-64 2.17              # [linux64]
+    - binutils_impl_linux-64             # [linux]
     - {{ cdt('mesa-libgl-devel') }}      # [linux]
     - {{ cdt('mesa-dri-drivers') }}      # [linux]
+    - {{ cdt('libxext') }}               # [linux]
     - {{ cdt('libselinux') }}            # [linux]
     - {{ cdt('libxdamage') }}            # [linux]
     - {{ cdt('libxxf86vm') }}            # [linux]
-    - {{ cdt('libxext') }}               # [linux]
+    - {{ cdt('libxfixes') }}            # [linux]
+    - {{ cdt('libxcb') }}               # [linux]
     # from https://conda-forge.org/docs/maintainer/knowledge_base.html#libgl
   host:
     - python
@@ -38,8 +43,11 @@ requirements:
     - libqglviewer >=2.8
     - sip
     - pyqt5-sip
-    - xorg-libxfixes  # [linux]
     - pyqt-builder
+    - libxcb                             # [linux]
+    - pthread-stubs                      # [linux]
+    - {{ cdt('mesa-libgl-devel') }}      # [linux]
+    - xorg-libxfixes                    # [linux]
 
 
 
diff --git a/conda/yum_requirements.txt b/conda/yum_requirements.txt
index 651811b..5bed4a9 100644
--- a/conda/yum_requirements.txt
+++ b/conda/yum_requirements.txt
@@ -1,4 +1,5 @@
 mesa-libGL
+mesa-libGL-devel
 mesa-dri-drivers
 libselinux
 libXdamage