diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e496a0d6..de49d727 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        swift: ["5.4.3"]
+        swift: ["5.5"]
     steps:
     - uses: actions/checkout@v2
     - run: npm install
diff --git a/.github/workflows/stability.yml b/.github/workflows/stability.yml
index d899de07..e507f506 100644
--- a/.github/workflows/stability.yml
+++ b/.github/workflows/stability.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        swift: ["5.4.3"]
+        swift: ["5.5"]
     steps:
     - uses: fwal/setup-swift@v1
       with:
@@ -26,7 +26,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        swift: ["5.4.3"]
+        swift: ["5.5"]
     steps:
     - uses: fwal/setup-swift@main
       with:
diff --git a/README.md b/README.md
index 273a34c5..4c6e387b 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ After the environment is configured you can run swift commands using the standar
 ```yaml
 - uses: fwal/setup-swift@v1
 - name: Get swift version
-  run: swift --version # Swift 5.4.3
+  run: swift --version # Swift 5.5
 ```
 
 A specific Swift version can be set using the `swift-version` input:
@@ -68,11 +68,11 @@ For example, Swift is available as version `5.1` but this will be interpreted as
 In other words specifying...
 - `"5.1.0"` will resolve to version `5.1`
 - `"5.1"` will resolve to latest patch version (aka `5.1.1`)
-- `"5"` will resolve to latest minor and patch version (aka `5.4.3`)
+- `"5"` will resolve to latest minor and patch version (aka `5.5`)
 
 ### Caveats
 
-YAML interprets eg. `5.0` as a float, this action will then interpret that as `5` which will result in eg. Swift 5.4.3 being resolved. Quote your inputs! Thus:
+YAML interprets eg. `5.0` as a float, this action will then interpret that as `5` which will result in eg. Swift 5.5 being resolved. Quote your inputs! Thus:
 
 ```
 - uses: fwal/setup-swift@v1
diff --git a/action.yml b/action.yml
index 98c8bac8..e95dcbea 100644
--- a/action.yml
+++ b/action.yml
@@ -5,7 +5,7 @@ inputs:
   swift-version: 
     description: Swift version to configure
     required: true
-    default: '5.4.3'
+    default: '5.5'
 outputs:
   version:
     description: The full Swift version that was configured