diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 12ab5b20524e74d93e4b7fd8db1a6487c20bd3a2..e8751dc1820450cf8982928d203f5e2113021eb0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ image: python:latest
 
 before_script:
   - pip install poetry
-  - pip install numpy
+  - pip install numpy==1.19.5
   - poetry install
   - source `poetry env info --path`/bin/activate
 
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 4501b1c94abc3a842797a17a811a2e0e2603bd85..7c62f555cd5efd362fcc89af7dbfd38d3f81c7f0 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -15,11 +15,6 @@ The ICARTT data format is described here: https://www-air.larc.nasa.gov/missions
    :maxdepth: 2
    :caption: Contents:
 
-Installation
-############
-
-.. include:: ../../INSTALL.md
-
 Example
 #######
 
@@ -48,7 +43,7 @@ Formats
 .. autoenum:: Formats
 
 Variable types
-********
+***************
 
 .. autoenum:: VariableType