diff --git a/gate-web/src/main/groovy/com/netflix/spinnaker/gate/controllers/CredentialsController.groovy b/gate-web/src/main/groovy/com/netflix/spinnaker/gate/controllers/CredentialsController.groovy
index 1b7093b79b..a0944f3a84 100644
--- a/gate-web/src/main/groovy/com/netflix/spinnaker/gate/controllers/CredentialsController.groovy
+++ b/gate-web/src/main/groovy/com/netflix/spinnaker/gate/controllers/CredentialsController.groovy
@@ -97,11 +97,11 @@ class CredentialsController {
     @ApiParam(value = 'Value of the "@type" key for accounts to search for.', example = 'kubernetes')
     @PathVariable String accountType,
     @ApiParam('Maximum number of entries to return in results. Used for pagination.')
-    @RequestParam OptionalInt limit,
+    @RequestParam(required = false) Integer limit,
     @ApiParam('Account name to start account definition listing from. Used for pagination.')
-    @RequestParam Optional<String> startingAccountName
+    @RequestParam(required = false) String startingAccountName
   ) {
-    clouddriverService.getAccountDefinitionsByType(accountType, limit.isPresent() ? limit.getAsInt() : null, startingAccountName.orElse(null))
+    clouddriverService.getAccountDefinitionsByType(accountType, limit, startingAccountName)
   }
 
   @PostMapping
diff --git a/gate-web/src/test/groovy/com/netflix/spinnaker/gate/controllers/CredentialsControllerSpec.groovy b/gate-web/src/test/groovy/com/netflix/spinnaker/gate/controllers/CredentialsControllerSpec.groovy
index a072882437..2205bde4ff 100644
--- a/gate-web/src/test/groovy/com/netflix/spinnaker/gate/controllers/CredentialsControllerSpec.groovy
+++ b/gate-web/src/test/groovy/com/netflix/spinnaker/gate/controllers/CredentialsControllerSpec.groovy
@@ -58,7 +58,11 @@ class CredentialsControllerSpec extends Specification {
     contentNegotiationManagerFactoryBean.addMediaType("json", MediaType.APPLICATION_JSON)
     contentNegotiationManagerFactoryBean.favorPathExtension = false
     mockMvc = MockMvcBuilders
-      .standaloneSetup(new CredentialsController(accountLookupService:  accountLookupService, allowedAccountsSupport: allowedAccountsSupport))
+      .standaloneSetup(new CredentialsController(
+        accountLookupService:  accountLookupService,
+        allowedAccountsSupport: allowedAccountsSupport,
+        clouddriverService: clouddriverService
+      ))
       .setContentNegotiationManager(contentNegotiationManagerFactoryBean.build())
       .build()
   }
@@ -78,4 +82,39 @@ class CredentialsControllerSpec extends Specification {
     "test"     || "test"
     "test.com" || "test.com"
   }
+
+  @Unroll
+  void "listing credentials by type should succeed when optional arguments are not provided"() {
+    when:
+    MockHttpServletResponse response = mockMvc.perform(get("/credentials/type/${accountType}")
+      .accept(MediaType.APPLICATION_JSON)).andReturn().response
+
+    then:
+    response.status == 200
+    1 * clouddriverService.getAccountDefinitionsByType(accountType, _, _)
+
+    where:
+    accountType | _
+    "type1"     | _
+    "type2"     | _
+  }
+
+  @Unroll
+  void "listing credentials by type should succeed when optional arguments are provided"() {
+    when:
+    MockHttpServletResponse response = mockMvc.perform(
+      get("/credentials/type/${accountType}")
+      .param("limit", "${limit}")
+      .param("startingAccountName", startingAccountName)
+      .accept(MediaType.APPLICATION_JSON)).andReturn().response
+
+    then:
+    response.status == 200
+    1 * clouddriverService.getAccountDefinitionsByType(accountType, limit, startingAccountName)
+
+    where:
+    accountType | limit | startingAccountName
+    "type1"     | 2     | "account1"
+    "type2"     | 500   | "account2"
+  }
 }
diff --git a/gradle.properties b/gradle.properties
index 43dc14a7c3..17394ffd4b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,7 +1,7 @@
 enablePublishing=false
-fiatVersion=1.42.0
+fiatVersion=1.43.0
 includeProviders=basic,iap,ldap,oauth2,saml,x509
-korkVersion=7.205.0
+korkVersion=7.206.0
 kotlinVersion=1.5.32
 org.gradle.parallel=true
 spinnakerGradleVersion=8.32.1