diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 9c69c17..de649c6 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -28,6 +28,6 @@ jobs:
               with:
                   go-version: stable
             - name: Lint
-              uses: golangci/golangci-lint-action@v8
+              uses: golangci/golangci-lint-action@v9
               with:
-                  version: v2.1.6
+                  version: latest
diff --git a/thorlog/v3/hostinfo.go b/thorlog/v3/hostinfo.go
index a2223e2..b93abf2 100644
--- a/thorlog/v3/hostinfo.go
+++ b/thorlog/v3/hostinfo.go
@@ -174,10 +174,20 @@ type PlatformInfoAIX struct {
 
 	// Hardware model
 	Model string `json:"model" textlog:"model"`
-	// OS version string, e.g. "7.3"
+	// OS version string, e.g. "7.3". Also found in the output of `oslevel -s` together with TechnologyLevel, ServicePack and BuildSequenceID, e.g. "7300-04-00-2546".
 	Version string `json:"version" textlog:"version"`
 	// Processor type, e.g. "POWER9"
 	Proc string `json:"proc" textlog:"proc"`
+	// Number of virtual CPUs available to the system. This is not necessarily the same as the number of physical cores, due to SMT and partitioning.
+	VCPUs int `json:"vcpus" textlog:"vcpus"`
+	// Build timestamp of the OS. This specifies the precise OS version that is running on the system.
+	OSBuildTime time.Time `json:"os_build_time" textlog:"os_build_time"`
+	// Technology levels are major updates of an OS version
+	TechnologyLevel int `json:"technology_level" textlog:"technology_level"`
+	// Service packs provide bug fixes within a technology level
+	ServicePack int `json:"service_pack" textlog:"service_pack"`
+	// Build sequence identifier is a unique identifier for the exact OS build
+	BuildSequenceID int `json:"build_sequence_id" textlog:"build_sequence_id"`
 }
 
 func (PlatformInfoAIX) platform() {}