diff --git a/docs/generators/powershell.md b/docs/generators/powershell.md
index fce535c3a1b..f1d6e2c8f2e 100644
--- a/docs/generators/powershell.md
+++ b/docs/generators/powershell.md
@@ -249,12 +249,12 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |BasicAuth|✓|OAS2,OAS3
 |ApiKey|✓|OAS2,OAS3
 |OpenIDConnect|✗|OAS3
-|BearerToken|✗|OAS3
-|OAuth2_Implicit|✓|OAS2,OAS3
+|BearerToken|✓|OAS3
+|OAuth2_Implicit|✗|OAS2,OAS3
 |OAuth2_Password|✗|OAS2,OAS3
 |OAuth2_ClientCredentials|✗|OAS2,OAS3
 |OAuth2_AuthorizationCode|✗|OAS2,OAS3
-|SignatureAuth|✗|OAS3
+|SignatureAuth|✓|OAS3
 
 ### Wire Format Feature
 | Name | Supported | Defined By |
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PowerShellClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PowerShellClientCodegen.java
index 2a6c52fc201..de854dcc972 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PowerShellClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PowerShellClientCodegen.java
@@ -82,8 +82,9 @@ public class PowerShellClientCodegen extends DefaultCodegen implements CodegenCo
                 .wireFormatFeatures(EnumSet.of(WireFormatFeature.JSON, WireFormatFeature.XML))
                 .securityFeatures(EnumSet.of(
                         SecurityFeature.BasicAuth,
+                        SecurityFeature.BearerToken,
                         SecurityFeature.ApiKey,
-                        SecurityFeature.OAuth2_Implicit
+                        SecurityFeature.SignatureAuth
                 ))
                 .excludeGlobalFeatures(
                         GlobalFeature.XMLStructureDefinitions,