diff --git a/spec/02-integration/09-hybrid_mode/05-ocsp_spec.lua b/spec/02-integration/09-hybrid_mode/05-ocsp_spec.lua
index bd957029944e..254b09555f84 100644
--- a/spec/02-integration/09-hybrid_mode/05-ocsp_spec.lua
+++ b/spec/02-integration/09-hybrid_mode/05-ocsp_spec.lua
@@ -41,6 +41,7 @@ describe("cluster_ocsp = on works #" .. strategy .. " inc_sync=" .. inc_sync, fu
         -- additional attributes for PKI:
         cluster_mtls = "pki",
         cluster_ca_cert = "spec/fixtures/ocsp_certs/ca.crt",
+        cluster_incremental_sync = inc_sync,
       }))
 
       set_ocsp_status("good")
@@ -58,6 +59,7 @@ describe("cluster_ocsp = on works #" .. strategy .. " inc_sync=" .. inc_sync, fu
         cluster_mtls = "pki",
         cluster_server_name = "kong_clustering",
         cluster_ca_cert = "spec/fixtures/ocsp_certs/ca.crt",
+        cluster_incremental_sync = inc_sync,
       }))
     end)
 
@@ -111,6 +113,7 @@ describe("cluster_ocsp = on works #" .. strategy .. " inc_sync=" .. inc_sync, fu
         -- additional attributes for PKI:
         cluster_mtls = "pki",
         cluster_ca_cert = "spec/fixtures/ocsp_certs/ca.crt",
+        cluster_incremental_sync = inc_sync,
       }))
 
       set_ocsp_status("revoked")
@@ -128,6 +131,7 @@ describe("cluster_ocsp = on works #" .. strategy .. " inc_sync=" .. inc_sync, fu
         cluster_server_name = "kong_clustering",
         cluster_ca_cert = "spec/fixtures/ocsp_certs/ca.crt",
         nginx_conf = "spec/fixtures/custom_nginx.template",
+        cluster_incremental_sync = inc_sync,
       }))
     end)
 
@@ -179,6 +183,7 @@ describe("cluster_ocsp = on works #" .. strategy .. " inc_sync=" .. inc_sync, fu
         -- additional attributes for PKI:
         cluster_mtls = "pki",
         cluster_ca_cert = "spec/fixtures/ocsp_certs/ca.crt",
+        cluster_incremental_sync = inc_sync,
       }))
 
       set_ocsp_status("error")
@@ -196,6 +201,7 @@ describe("cluster_ocsp = on works #" .. strategy .. " inc_sync=" .. inc_sync, fu
         cluster_server_name = "kong_clustering",
         cluster_ca_cert = "spec/fixtures/ocsp_certs/ca.crt",
         nginx_conf = "spec/fixtures/custom_nginx.template",
+        cluster_incremental_sync = inc_sync,
       }))
     end)
 
@@ -226,7 +232,7 @@ describe("cluster_ocsp = on works #" .. strategy .. " inc_sync=" .. inc_sync, fu
   end)
 end)
 
-describe("cluster_ocsp = off works with #" .. strategy .. " backend", function()
+describe("cluster_ocsp = off works with #" .. strategy .. " inc_sync=" .. inc_sync .. " backend", function()
   describe("DP certificate revoked, not checking for OCSP", function()
     lazy_setup(function()
       helpers.get_db_utils(strategy, {
@@ -250,6 +256,7 @@ describe("cluster_ocsp = off works with #" .. strategy .. " backend", function()
         -- additional attributes for PKI:
         cluster_mtls = "pki",
         cluster_ca_cert = "spec/fixtures/ocsp_certs/ca.crt",
+        cluster_incremental_sync = inc_sync,
       }))
 
       set_ocsp_status("revoked")
@@ -267,6 +274,7 @@ describe("cluster_ocsp = off works with #" .. strategy .. " backend", function()
         cluster_mtls = "pki",
         cluster_server_name = "kong_clustering",
         cluster_ca_cert = "spec/fixtures/ocsp_certs/ca.crt",
+        cluster_incremental_sync = inc_sync,
       }))
     end)
 
@@ -298,7 +306,7 @@ describe("cluster_ocsp = off works with #" .. strategy .. " backend", function()
   end)
 end)
 
-describe("cluster_ocsp = optional works with #" .. strategy .. " backend", function()
+describe("cluster_ocsp = optional works with #" .. strategy .. " inc_sync=" .. inc_sync .. " backend", function()
   describe("DP certificate revoked", function()
     lazy_setup(function()
       helpers.get_db_utils(strategy, {
@@ -322,6 +330,7 @@ describe("cluster_ocsp = optional works with #" .. strategy .. " backend", funct
         -- additional attributes for PKI:
         cluster_mtls = "pki",
         cluster_ca_cert = "spec/fixtures/ocsp_certs/ca.crt",
+        cluster_incremental_sync = inc_sync,
       }))
 
       set_ocsp_status("revoked")
@@ -339,6 +348,7 @@ describe("cluster_ocsp = optional works with #" .. strategy .. " backend", funct
         cluster_server_name = "kong_clustering",
         cluster_ca_cert = "spec/fixtures/ocsp_certs/ca.crt",
         nginx_conf = "spec/fixtures/custom_nginx.template",
+        cluster_incremental_sync = inc_sync,
       }))
     end)
 
@@ -390,6 +400,7 @@ describe("cluster_ocsp = optional works with #" .. strategy .. " backend", funct
         -- additional attributes for PKI:
         cluster_mtls = "pki",
         cluster_ca_cert = "spec/fixtures/ocsp_certs/ca.crt",
+        cluster_incremental_sync = inc_sync,
       }))
 
       set_ocsp_status("error")
@@ -407,6 +418,7 @@ describe("cluster_ocsp = optional works with #" .. strategy .. " backend", funct
         cluster_server_name = "kong_clustering",
         cluster_ca_cert = "spec/fixtures/ocsp_certs/ca.crt",
         nginx_conf = "spec/fixtures/custom_nginx.template",
+        cluster_incremental_sync = inc_sync,
       }))
     end)