diff --git a/env-nompi.yaml b/env-nompi.yaml
index 1d5acd92..d84e7201 100644
--- a/env-nompi.yaml
+++ b/env-nompi.yaml
@@ -11,5 +11,5 @@ dependencies:
   - pip:
     - h5flow>=0.1.0
     - adc64format>=0.1.1
-    - pylandau
+    - git+https://github.com/cuddandr/pylandau.git
     - dbscan1d
diff --git a/env.yaml b/env.yaml
index 1d5acd92..d84e7201 100644
--- a/env.yaml
+++ b/env.yaml
@@ -11,5 +11,5 @@ dependencies:
   - pip:
     - h5flow>=0.1.0
     - adc64format>=0.1.1
-    - pylandau
+    - git+https://github.com/cuddandr/pylandau.git
     - dbscan1d
diff --git a/setup.py b/setup.py
index cada1b52..464614e6 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
                      'scikit-image',
                      'scikit-learn',
                      'h5flow>=0.2.0',
-                     'pylandau',
+                     'pylandau @ git+https://github.com/cuddandr/pylandau.git#egg=pylandau',
                      'dbscan1d',
                  ]
                  )
diff --git a/test/env-nompi.yaml b/test/env-nompi.yaml
index 0bd8c21d..6205c051 100644
--- a/test/env-nompi.yaml
+++ b/test/env-nompi.yaml
@@ -14,4 +14,4 @@ dependencies:
   - pip:
     - pyyaml-include==1.3.2
     - adc64format>=0.0.2
-    - pylandau
+    - git+https://github.com/cuddandr/pylandau.git
diff --git a/test/env.yaml b/test/env.yaml
index cfe2246e..7fb0fe5d 100644
--- a/test/env.yaml
+++ b/test/env.yaml
@@ -20,5 +20,4 @@ dependencies:
     - pyyaml-include==1.3.2
     - h5py --no-binary=h5py
     - adc64format>=0.0.2
-    - pylandau
-
+    - git+https://github.com/cuddandr/pylandau.git