diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3dada2d..fb404a0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -56,7 +56,6 @@ jobs:
       matrix:
         rust:
           - stable
-          - 1.55.0
     steps:
       - name: Checkout sources
         uses: actions/checkout@v2
@@ -83,7 +82,6 @@ jobs:
       matrix:
         rust:
           - stable
-          - 1.55.0
     steps:
       - name: Checkout sources
         uses: actions/checkout@v2