diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index a32bce7c38..392d366305 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -102,7 +102,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.56 # keep in sync with MSRV.md dev doc
+          - 1.63 # keep in sync with MSRV.md dev doc
 
         os:
           - ubuntu-latest
diff --git a/docs/MSRV.md b/docs/MSRV.md
index 65127c99bd..70752c9138 100644
--- a/docs/MSRV.md
+++ b/docs/MSRV.md
@@ -6,4 +6,4 @@ hyper. It is possible that an older compiler can work, but that is not
 guaranteed. We try to increase the MSRV responsibly, only when a significant
 new feature is needed.
 
-The current MSRV is: **1.56**.
+The current MSRV is: **1.63**.