diff --git a/.github/workflows/cont_integration.yml b/.github/workflows/cont_integration.yml
index a50156943..4d60f15b9 100644
--- a/.github/workflows/cont_integration.yml
+++ b/.github/workflows/cont_integration.yml
@@ -46,6 +46,7 @@ jobs:
           cargo update -p cc --precise "1.0.81"
           cargo update -p byteorder --precise "1.4.3"
           cargo update -p webpki --precise "0.22.2"
+          cargo update -p jobserver --precise "0.1.26"
       - name: Build
         run: cargo build ${{ matrix.features }}
       - name: Test
diff --git a/README.md b/README.md
index a65aabde0..5e2cec6d5 100644
--- a/README.md
+++ b/README.md
@@ -97,6 +97,8 @@ cargo update -p cc --precise "1.0.81"
 cargo update -p byteorder --precise "1.4.3"
 # webpki 0.22.4 requires `ring:0.17.2` which has MSRV 1.61.0+
 cargo update -p webpki --precise "0.22.2"
+# jobserver 0.1.27 has MSRV 1.66.0+
+cargo update -p jobserver --precise "0.1.26"
 ```
 
 ## License