diff --git a/package.json b/package.json
index 9263dbc..5a0c014 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "c4k-common-cljs",
     "description": "Contains predicates and tools for c4k",
     "author": "meissa GmbH",
-    "version": "4.0.1-SNAPSHOT",
+    "version": "4.1.0-SNAPSHOT",
     "homepage": "https://gitlab.com/domaindrivenarchitecture/c4k-common#readme",
     "repository": "https://www.npmjs.com/package/c4k-common",
     "license": "APACHE2",
diff --git a/project-cljs.clj b/project-cljs.clj
index cf5a0bb..f330fd1 100644
--- a/project-cljs.clj
+++ b/project-cljs.clj
@@ -1,4 +1,4 @@
-(defproject org.domaindrivenarchitecture/c4k-common-cljs "4.0.1-SNAPSHOT"
+(defproject org.domaindrivenarchitecture/c4k-common-cljs "4.1.0-SNAPSHOT"
   :description "Contains predicates and tools for c4k"
   :url "https://domaindrivenarchitecture.org"
   :license {:name "Apache License, Version 2.0"
diff --git a/project.clj b/project.clj
index 1f5dc70..65a83cd 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject org.domaindrivenarchitecture/c4k-common-clj "4.0.1-SNAPSHOT"
+(defproject org.domaindrivenarchitecture/c4k-common-clj "4.1.0-SNAPSHOT"
   :description "Contains predicates and tools for c4k"
   :url "https://domaindrivenarchitecture.org"
   :license {:name "Apache License, Version 2.0"
diff --git a/src/main/clj/dda/c4k_common/uberjar.clj b/src/main/clj/dda/c4k_common/uberjar.clj
index 44ec7b7..85c9301 100644
--- a/src/main/clj/dda/c4k_common/uberjar.clj
+++ b/src/main/clj/dda/c4k_common/uberjar.clj
@@ -4,6 +4,7 @@
    [clojure.spec.alpha :as s]
    [clojure.string :as cs]
    [clojure.tools.reader.edn :as edn]
+   [dda.c4k-common.yaml :as yaml]
    [dda.c4k-common.common :as cm]
    [dda.c4k-common.core :as core]
    [expound.alpha :as expound]))
@@ -39,8 +40,10 @@
           :else
           (let [config-str (slurp config)
                 auth-str (slurp auth)
-                config-edn (edn/read-string config-str)
-                auth-edn (edn/read-string auth-str)
+                config-parse-fn (if (yaml/is-yaml? config) yaml/from-string edn/read-string)
+                auth-parse-fn (if (yaml/is-yaml? auth) yaml/from-string edn/read-string)
+                config-edn (config-parse-fn config-str)
+                auth-edn (auth-parse-fn auth-str)
                 config-valid? (s/valid? config-spec? config-edn)
                 auth-valid? (s/valid? auth-spec? auth-edn)]
             (if (and config-valid? auth-valid?)