diff --git a/plugin-script-python/src/main/resources/kestra.py b/plugin-script-python/src/main/resources/kestra.py
index e256cd4c..68860edf 100644
--- a/plugin-script-python/src/main/resources/kestra.py
+++ b/plugin-script-python/src/main/resources/kestra.py
@@ -22,10 +22,20 @@ def _metrics(name, type, value, tags=None):
             ]
         })
 
+    @staticmethod
+    def _convert_booleans(obj):
+        if isinstance(obj, bool):
+            return str(obj)
+        elif isinstance(obj, dict):
+            return {k: Kestra._convert_booleans(v) for k, v in obj.items()}
+        elif isinstance(obj, list):
+            return [Kestra._convert_booleans(item) for item in obj]
+        return obj
+
     @staticmethod
     def outputs(map):
         Kestra._send({
-            "outputs": map
+            "outputs": Kestra._convert_booleans(map)
         })
 
     @staticmethod
diff --git a/plugin-script-python/src/test/java/io/kestra/core/tasks/scripts/PythonTest.java b/plugin-script-python/src/test/java/io/kestra/core/tasks/scripts/PythonTest.java
index d549e157..0325e21c 100644
--- a/plugin-script-python/src/test/java/io/kestra/core/tasks/scripts/PythonTest.java
+++ b/plugin-script-python/src/test/java/io/kestra/core/tasks/scripts/PythonTest.java
@@ -110,7 +110,7 @@ void noVirtualEnv() throws Exception {
         ScriptOutput run = python.run(runContext);
 
         assertThat(run.getExitCode(), is(0));
-        assertThat(run.getVars().get("ok"), is(true));
+        assertThat(run.getVars().get("ok"), is("True"));
     }
 
     @Test
@@ -244,12 +244,12 @@ void outputs() throws Exception {
 
         assertThat(run.getVars().get("test"), is("value"));
         assertThat(run.getVars().get("int"), is(2));
-        assertThat(run.getVars().get("bool"), is(true));
+        assertThat(run.getVars().get("bool"), is("True"));
         assertThat(run.getVars().get("float"), is(3.65));
 
         assertThat(run.getVars().get("test"), is("value"));
         assertThat(run.getVars().get("int"), is(2));
-        assertThat(run.getVars().get("bool"), is(true));
+        assertThat(run.getVars().get("bool"), is("True"));
         assertThat(run.getVars().get("float"), is(3.65));
 
         assertThat(getMetrics(runContext, "count").getValue(), is(1D));
diff --git a/plugin-script-python/src/test/java/io/kestra/plugin/scripts/python/ScriptTest.java b/plugin-script-python/src/test/java/io/kestra/plugin/scripts/python/ScriptTest.java
index dfaac832..64dbe4d7 100644
--- a/plugin-script-python/src/test/java/io/kestra/plugin/scripts/python/ScriptTest.java
+++ b/plugin-script-python/src/test/java/io/kestra/plugin/scripts/python/ScriptTest.java
@@ -287,7 +287,7 @@ void kestraLibs(RunnerType runner, DockerOptions dockerOptions) throws Exception
 
         assertThat(run.getVars().get("test"), is("value"));
         assertThat(run.getVars().get("int"), is(2));
-        assertThat(run.getVars().get("bool"), is(true));
+        assertThat(run.getVars().get("bool"), is("True"));
         assertThat(run.getVars().get("float"), is(3.65));
 
         assertThat(getMetrics(runContext, "count").getValue(), is(1D));