diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 27e1621..c4f799f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -19,7 +19,8 @@ jobs:
           - '1.22'
           - '1.23'
           - '1.24'
-          - '>=1.25.0-rc.1'
+          - '1.25'
+          - '>=1.26.0-rc.1'
 
     runs-on: ${{ matrix.os }}
 
@@ -38,7 +39,7 @@ jobs:
       matrix:
         go:
           - '1.24'
-          - '>=1.25.0-rc.1'
+          - '1.25'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
@@ -56,7 +57,8 @@ jobs:
       matrix:
         go:
           - '1.24'
-          - '>=1.25.0-rc.1'
+          - '1.25'
+          - '>=1.26.0-rc.1'
     steps:
       - uses: actions/checkout@v2
 
@@ -74,7 +76,8 @@ jobs:
       matrix:
         go:
           - '1.24'
-          - '>=1.25.0-rc.1'
+          - '1.25'
+          - '>=1.26.0-rc.1'
     steps:
       - uses: actions/checkout@v2
 
@@ -91,7 +94,8 @@ jobs:
       matrix:
         go:
           - '1.24.4'
-          - '1.25rc1'
+          - '1.25.5'
+          - '1.26rc1'
     steps:
       - uses: actions/checkout@v2
 
diff --git a/runtime_go1.20.go b/runtime_go1.20.go
index 68ab1f8..f3149b8 100644
--- a/runtime_go1.20.go
+++ b/runtime_go1.20.go
@@ -17,12 +17,12 @@
 // bumping of the go versions supported by adjusting the build tags below. The
 // way go version tags work the tag for goX.Y will be declared for every
 // subsequent release. So go1.20 will be defined for go1.21, go1.22, etc. The
-// build tag "go1.20 && !go1.26" defines the range [go1.20, go1.26) (inclusive
-// on go1.20, exclusive on go1.26).
+// build tag "go1.20 && !go1.27" defines the range [go1.20, go1.27) (inclusive
+// on go1.20, exclusive on go1.27).
 
 // The untested_go_version flag enables building on any go version, intended
 // to ease testing against Go at tip.
-//go:build (go1.20 && !go1.26) || untested_go_version
+//go:build (go1.20 && !go1.27) || untested_go_version
 
 package swiss