diff --git a/section-05-production-model-package/requirements/requirements.txt b/section-05-production-model-package/requirements/requirements.txt
index f3783b618..0fbffd3a6 100644
--- a/section-05-production-model-package/requirements/requirements.txt
+++ b/section-05-production-model-package/requirements/requirements.txt
@@ -7,5 +7,5 @@ pydantic>=1.8.1,<2.0.0
 scikit-learn>=1.1.3,<2.0.0
 strictyaml>=1.3.2,<2.0.0
 ruamel.yaml>=0.16.12,<1.0.0
-feature-engine>=1.0.2,<2.0.0
+feature-engine>=1.0.2,<1.6.0  # breaking change in v1.6.0
 joblib>=1.0.1,<2.0.0
\ No newline at end of file
diff --git a/section-06-model-serving-api/house-prices-api/requirements.txt b/section-06-model-serving-api/house-prices-api/requirements.txt
index 1f0ddccf5..c6f00d968 100644
--- a/section-06-model-serving-api/house-prices-api/requirements.txt
+++ b/section-06-model-serving-api/house-prices-api/requirements.txt
@@ -5,4 +5,5 @@ pydantic>=1.10.4,<1.12.0
 typing_extensions>=4.2.0,<5.0.0
 loguru>=0.5.3,<1.0.0
 # We will explain this in the course
-tid-regression-model>=3.2.0
\ No newline at end of file
+tid-regression-model>=3.2.0
+feature-engine>=1.0.2,<1.6.0  # breaking change in v1.6.0
\ No newline at end of file
diff --git a/section-07-ci-and-publishing/house-prices-api/requirements.txt b/section-07-ci-and-publishing/house-prices-api/requirements.txt
index 1f0ddccf5..c6f00d968 100644
--- a/section-07-ci-and-publishing/house-prices-api/requirements.txt
+++ b/section-07-ci-and-publishing/house-prices-api/requirements.txt
@@ -5,4 +5,5 @@ pydantic>=1.10.4,<1.12.0
 typing_extensions>=4.2.0,<5.0.0
 loguru>=0.5.3,<1.0.0
 # We will explain this in the course
-tid-regression-model>=3.2.0
\ No newline at end of file
+tid-regression-model>=3.2.0
+feature-engine>=1.0.2,<1.6.0  # breaking change in v1.6.0
\ No newline at end of file
diff --git a/section-07-ci-and-publishing/model-package/requirements/requirements.txt b/section-07-ci-and-publishing/model-package/requirements/requirements.txt
index f3783b618..0fbffd3a6 100644
--- a/section-07-ci-and-publishing/model-package/requirements/requirements.txt
+++ b/section-07-ci-and-publishing/model-package/requirements/requirements.txt
@@ -7,5 +7,5 @@ pydantic>=1.8.1,<2.0.0
 scikit-learn>=1.1.3,<2.0.0
 strictyaml>=1.3.2,<2.0.0
 ruamel.yaml>=0.16.12,<1.0.0
-feature-engine>=1.0.2,<2.0.0
+feature-engine>=1.0.2,<1.6.0  # breaking change in v1.6.0
 joblib>=1.0.1,<2.0.0
\ No newline at end of file
diff --git a/section-08-deploying-with-containers/house-prices-api/requirements.txt b/section-08-deploying-with-containers/house-prices-api/requirements.txt
index e13438d36..152b54020 100644
--- a/section-08-deploying-with-containers/house-prices-api/requirements.txt
+++ b/section-08-deploying-with-containers/house-prices-api/requirements.txt
@@ -7,4 +7,5 @@ pydantic>=1.10.4,<1.12.0
 typing_extensions>=4.2.0,<5.0.0
 loguru>=0.5.3,<1.0.0
 # fetched from gemfury
-tid-regression-model==4.0.5
\ No newline at end of file
+tid-regression-model==4.0.5
+feature-engine>=1.0.2,<1.6.0  # breaking change in v1.6.0
\ No newline at end of file