diff --git a/pyproject.toml b/pyproject.toml
index f16925b..77b2b0a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,8 +24,8 @@ classifiers = [
 ]
 requires-python = ">=3.8"
 dependencies = [
-    "pathsim>=0.8.2",
-    "pathsim-chem",
+    "pathsim>=0.8.2,<0.14.0",
+    "pathsim-chem<0.1.1",
     "matplotlib>=3.7.0",
     "numpy>=1.24.0",
     "plotly>=6.0",
diff --git a/src/python/templates/block_macros.py b/src/python/templates/block_macros.py
index 2e2b3da..523daa9 100644
--- a/src/python/templates/block_macros.py
+++ b/src/python/templates/block_macros.py
@@ -25,8 +25,8 @@
 {{ create_block(node) }}
 
 {%- if node["data"].get("replacement_times") %}
-events_{{ node["var_name"] }} = {{ node["var_name"] }}.create_reset_events()
-events += events_{{ node["var_name"] }}
+{{ node["var_name"] }}._create_reset_events()
+events += {{ node["var_name"] }}.events
 {%- endif %}
 
 {%- endmacro -%}
diff --git a/test/test_convert_python.py b/test/test_convert_python.py
index ee186a2..9c7bf23 100644
--- a/test/test_convert_python.py
+++ b/test/test_convert_python.py
@@ -164,7 +164,7 @@ def test_bubbler_has_reset_times():
     }
     code = convert_graph_to_python(sample_data)
     print(code)
-    assert "bubbler_1.create_reset_events()" in code
+    assert "bubbler_1._create_reset_events()" in code
 
 
 if __name__ == "__main__":
diff --git a/test/test_files/bubbler.json b/test/test_files/bubbler.json
index f336d89..97cf713 100644
--- a/test/test_files/bubbler.json
+++ b/test/test_files/bubbler.json
@@ -10,7 +10,7 @@
       "data": {
         "label": "bubbler 1",
         "conversion_efficiency": "",
-        "replacement_times": "",
+        "replacement_times": "[1]",
         "vial_efficiency": ""
       },
       "measured": {