diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index efaf050..5284a9c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,13 +33,6 @@ jobs:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
       - uses: julia-actions/cache@v2
-      - name: MP
-        shell: julia --project=@. {0}
-        run: |
-          using Pkg
-          Pkg.add([
-              PackageSpec(name="MultivariatePolynomials", rev="master"),
-          ])
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
         with:
diff --git a/Project.toml b/Project.toml
index b50567b..80098de 100644
--- a/Project.toml
+++ b/Project.toml
@@ -14,7 +14,7 @@ Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 
 [compat]
 MacroTools = "0.5"
-MultivariatePolynomials = "0.5"
+MultivariatePolynomials = "0.5.8"
 MutableArithmetics = "1"
 Reexport = "1"
 julia = "1.6"