diff --git a/environment.yml b/environment.yml
index 6719829f14..7c98ff53a6 100644
--- a/environment.yml
+++ b/environment.yml
@@ -30,6 +30,6 @@ dependencies:
   - seaborn
   - jinja2=3.0 # pinned for bokeh 1.0 compatibility
   - pip:
-      - ctapipe_io_lst~=0.18.0
+      - ctapipe_io_lst~=0.18.1
       - ctaplot~=0.5.5
       - pyirf~=0.6.0
diff --git a/setup.py b/setup.py
index 4ae3e58b0d..e76a4ce09d 100644
--- a/setup.py
+++ b/setup.py
@@ -43,7 +43,7 @@ def find_scripts(script_dir, prefix):
         'astropy~=4.2',
         'bokeh~=1.0',
         'ctapipe~=0.12.0',
-        'ctapipe_io_lst~=0.18.0',
+        'ctapipe_io_lst~=0.18.1',
         'ctaplot~=0.5.5',
         'eventio>=1.5.1,<2.0.0a0',  # at least 1.1.1, but not 2
         'gammapy~=0.19.0',