diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 641400e..6622184 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,7 +31,7 @@ jobs:
         if: contains(matrix.os, 'ubuntu')
         run: |
           sudo apt-get update
-          sudo apt-get install libltdl-dev libreadline6-dev libncurses5-dev libgsl0-dev python3-all-dev jq pep8 libpcre3 libpcre3-dev python2-dev libboost-all-dev
+          sudo apt-get install libltdl-dev libreadline6-dev libncurses5-dev libgsl0-dev python3-all-dev jq libpcre3 libpcre3-dev libboost-all-dev
           sudo apt-get install openmpi-bin libopenmpi-dev libgsl0-dev tcl8.6 tcl8.6-dev tk8.6-dev
           sudo apt-get install libboost-filesystem-dev libboost-regex-dev libboost-wave-dev libboost-python-dev libboost-program-options-dev libboost-test-dev