diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7388234..01a4d04 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,15 +7,14 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        go: [ '1.21' ]
     steps:
       - uses: actions/checkout@v4
       - name: Setup go
         uses: actions/setup-go@v5
         with:
-          go-version: ${{ matrix.go }}
+          go-version-file: go.mod
+          check-latest: true
+          cache: true
       - name: Run tests
         run: |
           make test
diff --git a/.github/workflows/scheduled-update-client.yml b/.github/workflows/scheduled-update-client.yml
index c943491..bd7e4c9 100644
--- a/.github/workflows/scheduled-update-client.yml
+++ b/.github/workflows/scheduled-update-client.yml
@@ -11,7 +11,9 @@ jobs:
       - name: Setup go
         uses: actions/setup-go@v5
         with:
-          go-version-file: 'go.mod'
+          go-version-file: go.mod
+          check-latest: true
+          cache: true
       - run: make fetch-openapi
       - run: make generate
       - name: Create Pull Request
diff --git a/Makefile b/Makefile
index cc1af5d..f257c91 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ fetch-openapi:
 	curl -fsSL https://api-docs.humanitec.com/openapi.json > ./docs/openapi.json
 
 generate:
-	go run github.com/deepmap/oapi-codegen/v2/cmd/oapi-codegen@v2.0.0 -generate types,client -package client ./docs/openapi.json > client/client.gen.go
+	go run github.com/oapi-codegen/oapi-codegen/v2/cmd/oapi-codegen@v2.4.1 -generate types,client -package client ./docs/openapi.json > client/client.gen.go
 
 test:
 	go test ./... -cover
diff --git a/client/client.gen.go b/client/client.gen.go
index 2b8fce8..7e9219c 100644
--- a/client/client.gen.go
+++ b/client/client.gen.go
@@ -1,6 +1,6 @@
 // Package client provides primitives to interact with the openapi HTTP API.
 //
-// Code generated by github.com/deepmap/oapi-codegen/v2 version v2.0.0 DO NOT EDIT.
+// Code generated by github.com/oapi-codegen/oapi-codegen/v2 version v2.4.1 DO NOT EDIT.
 package client
 
 import (
@@ -4371,7 +4371,7 @@ func (t *ArtefactVersion) MergeContainerArtefactVersion(v ContainerArtefactVersi
 		return err
 	}
 
-	merged, err := runtime.JsonMerge(t.union, b)
+	merged, err := runtime.JSONMerge(t.union, b)
 	t.union = merged
 	return err
 }
@@ -4401,7 +4401,7 @@ func (t *ArtefactVersion) MergeWorkloadArtefactVersion(v WorkloadArtefactVersion
 		return err
 	}
 
-	merged, err := runtime.JsonMerge(t.union, b)
+	merged, err := runtime.JSONMerge(t.union, b)
 	t.union = merged
 	return err
 }
@@ -4497,7 +4497,7 @@ func (t *CreateArtefactVersion) MergeCreateContainerArtefactVersion(v CreateCont
 		return err
 	}
 
-	merged, err := runtime.JsonMerge(t.union, b)
+	merged, err := runtime.JSONMerge(t.union, b)
 	t.union = merged
 	return err
 }
@@ -4527,7 +4527,7 @@ func (t *CreateArtefactVersion) MergeCreateWorkloadArtefactVersion(v CreateWorkl
 		return err
 	}
 
-	merged, err := runtime.JsonMerge(t.union, b)
+	merged, err := runtime.JSONMerge(t.union, b)
 	t.union = merged
 	return err
 }
@@ -4623,7 +4623,7 @@ func (t *PipelineCriteria) MergePipelineDeploymentRequestCriteria(v PipelineDepl
 		return err
 	}
 
-	merged, err := runtime.JsonMerge(t.union, b)
+	merged, err := runtime.JSONMerge(t.union, b)
 	t.union = merged
 	return err
 }
@@ -4753,7 +4753,7 @@ func (t *PipelineCriteriaCreateBody) MergePipelineDeploymentRequestCriteriaCreat
 		return err
 	}
 
-	merged, err := runtime.JsonMerge(t.union, b)
+	merged, err := runtime.JSONMerge(t.union, b)
 	t.union = merged
 	return err
 }
@@ -4847,7 +4847,7 @@ func (t *PipelineRunCreateByTriggerCriteriaBody) MergePipelineRunCreateByDeploym
 		return err
 	}
 
-	merged, err := runtime.JsonMerge(t.union, b)
+	merged, err := runtime.JSONMerge(t.union, b)
 	t.union = merged
 	return err
 }
@@ -22245,6 +22245,7 @@ type PostOrgsOrgIdAppsAppIdDeltasResponse struct {
 	}
 	JSON400 *HumanitecErrorResponse
 }
+type PostOrgsOrgIdAppsAppIdDeltas2000 = string
 
 // Status returns HTTPResponse.Status
 func (r PostOrgsOrgIdAppsAppIdDeltasResponse) Status() string {
diff --git a/go.mod b/go.mod
index 79b4a98..7d967b6 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,8 @@
 module github.com/humanitec/humanitec-go-autogen
 
-go 1.21
+go 1.23
 
-toolchain go1.21.5
+toolchain go1.23.2
 
 require (
 	github.com/oapi-codegen/runtime v1.1.1
@@ -13,7 +13,7 @@ require (
 require (
 	github.com/apapsch/go-jsonmerge/v2 v2.0.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/google/uuid v1.5.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b // indirect
diff --git a/go.sum b/go.sum
index 49460a6..3d27f73 100644
--- a/go.sum
+++ b/go.sum
@@ -5,8 +5,8 @@ github.com/bmatcuk/doublestar v1.1.1/go.mod h1:UD6OnuiIn0yFxxA2le/rnRU1G4RaI4UvF
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
-github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/juju/gnuflag v0.0.0-20171113085948-2ce1bb71843d/go.mod h1:2PavIy+JPciBPrBUjwbNvtwB6RQlve+hkpll6QSNmOE=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=