diff --git a/environment.yml b/environment.yml
index c059d229..32971e84 100644
--- a/environment.yml
+++ b/environment.yml
@@ -14,7 +14,7 @@ dependencies:
   - pydantic
   - pip
   - pip:
-    - git+https://github.com/neutrons/LiquidsReflectometer.git@v2.1.10#egg=lr_reduction
+    - git+https://github.com/neutrons/LiquidsReflectometer.git@v2.1.11#egg=lr_reduction
 # documentation
   - sphinx
   - sphinx_rtd_theme
diff --git a/requirements.txt b/requirements.txt
index 25a52c05..8ed5c890 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@ scipy
 PyQt5
 qtpy
 setuptools
-lr_reduction@git+https://github.com/neutrons/LiquidsReflectometer.git@v2.1.10#egg=lr_reduction
+lr_reduction@git+https://github.com/neutrons/LiquidsReflectometer.git@v2.1.11#egg=lr_reduction