diff --git a/CMakeLists.txt b/CMakeLists.txt
index 77a3671..b030187 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.11.0)
 project(recodex-worker)
-set(RECODEX_VERSION 1.8.0)
+set(RECODEX_VERSION 1.9.0)
 enable_testing()
 
 set(EXEC_NAME ${PROJECT_NAME})
diff --git a/examples/job-config.yml b/examples/job-config.yml
index 114a751..c446258 100644
--- a/examples/job-config.yml
+++ b/examples/job-config.yml
@@ -62,8 +62,8 @@ tasks:
       cmd:
         bin: "./test"
         args: []
-        success_exit_codes: # list of exit codes which will be accepted as success
-          - 0  # zero is success by default, but if success_exit_codes is present, it must be added explicitly.
+        success-exit-codes: # list of exit codes which will be accepted as success
+          - 0  # zero is success by default, but if success-exit-codes is present, it must be added explicitly.
           - 1  # single code
           - [100, 200]  # an interval (inclusive)
           # codes 0, 1, 100, 101, ... 199, and 200 will all be accepted
diff --git a/src/helpers/config.cpp b/src/helpers/config.cpp
index 24cf630..bb11de1 100644
--- a/src/helpers/config.cpp
+++ b/src/helpers/config.cpp
@@ -46,7 +46,7 @@ void load_task_success_exit_codes(const YAML::Node &node, std::vector<bool> &suc
 			}
 		}
 	} else {
-		throw helpers::config_exception("Task command success_exit_codes must be an integer or a list.");
+		throw helpers::config_exception("Task command success-exit-codes must be an integer or a list.");
 	}
 }
 
@@ -125,8 +125,8 @@ std::shared_ptr<job_metadata> helpers::build_job_metadata(const YAML::Node &conf
 						task_meta->cmd_args = ctask["cmd"]["args"].as<std::vector<std::string>>();
 					} // can be omitted... no throw
 
-					if (ctask["cmd"]["success_exit_codes"]) {
-						load_task_success_exit_codes(ctask["cmd"]["success_exit_codes"], task_meta->success_exit_codes);
+					if (ctask["cmd"]["success-exit-codes"]) {
+						load_task_success_exit_codes(ctask["cmd"]["success-exit-codes"], task_meta->success_exit_codes);
 					}
 				} else {
 					throw config_exception("Command in task is not a map");
diff --git a/tests/job_config.cpp b/tests/job_config.cpp
index 3d254fe..f470fa0 100644
--- a/tests/job_config.cpp
+++ b/tests/job_config.cpp
@@ -192,7 +192,7 @@ TEST(job_config_test, config_data)
 						   "          args:\n"
 						   "              - -v\n"
 						   "              - \"-f 01.in\"\n"
-						   "          success_exit_codes:\n"
+						   "          success-exit-codes:\n"
 						   "              - 1\n"
 						   "              - [3,5]\n"
 						   "              - [10,12]\n"