diff --git a/environment-dev.yml b/environment-dev.yml
index 210b02ba..0605512c 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -23,7 +23,7 @@ dependencies:
   - ruff
   - ipykernel
   - pymc>=6.0.0,<7.0.0
-  - bambi>=0.13.0
+  - bambi>=0.18.0,<1.0.0
   - pip:
       - lxml
       - ipytest
diff --git a/environment-docs.yml b/environment-docs.yml
index e7774fca..cf935693 100644
--- a/environment-docs.yml
+++ b/environment-docs.yml
@@ -21,4 +21,4 @@ dependencies:
   - sphinxcontrib-bibtex
   - jupyter-sphinx
   - pymc>=6.0.0,<7.0.0
-  - bambi>=0.13.0
+  - bambi>=0.18.0,<1.0.0
diff --git a/pyproject.toml b/pyproject.toml
index 109084e5..7a909357 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ classifiers = [
 dynamic = ["version"]
 description = "Exploring and eliciting probability distributions."
 dependencies = [
-  "arviz_stats>=1.0.0",  
+  "arviz_stats>=1.0.0,<2.0.0",  
   "matplotlib>=3.9",
   "numba>=0.62",
   "numpy>=2.0",
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 6384548d..8262d745 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -10,6 +10,6 @@ ipykernel
 pandas
 pytensor>=3.0.0
 pymc>=6.0.0,<7.0.0
-bambi>=0.13.0
+bambi>=0.18.0,<1.0.0
 pymc-extras
 ruff
\ No newline at end of file