diff --git a/Makefile b/Makefile
index 975f206..f56d1e7 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,7 @@ test:
 	pytest
 
 install:
+	pip install policyengine-uk==2.1.1
 	pip install -e ".[dev]"
 
 download:
diff --git a/changelog_entry.yaml b/changelog_entry.yaml
index e69de29..af5448c 100644
--- a/changelog_entry.yaml
+++ b/changelog_entry.yaml
@@ -0,0 +1,5 @@
+- bump: minor
+  changes:
+    added:
+    - 5% dropout in calibration.
+    - Code quality improvements.
diff --git a/policyengine_uk_data/datasets/frs/enhanced_frs.py b/policyengine_uk_data/datasets/frs/enhanced_frs.py
index d92f337..f0f5727 100644
--- a/policyengine_uk_data/datasets/frs/enhanced_frs.py
+++ b/policyengine_uk_data/datasets/frs/enhanced_frs.py
@@ -46,7 +46,6 @@ class ReweightedFRS_2022_23(EnhancedFRS):
     input_frs = FRS_2022_23
     time_period = 2022
     end_year = 2022
-    url = "release://PolicyEngine/ukda/release/reweighted_frs_2022_23.h5"
 
 
 class EnhancedFRS_2022_23(EnhancedFRS):
@@ -57,7 +56,7 @@ class EnhancedFRS_2022_23(EnhancedFRS):
     input_frs = ExtendedFRS_2022_23
     time_period = 2022
     end_year = 2028
-    url = "release://PolicyEngine/ukda/release/enhanced_frs_2022_23.h5"
+    url = "release://PolicyEngine/ukda/1.3.0/enhanced_frs_2022_23.h5"
 
 
 def reweight(
diff --git a/policyengine_uk_data/datasets/frs/extended_frs.py b/policyengine_uk_data/datasets/frs/extended_frs.py
index fecb316..6239a86 100644
--- a/policyengine_uk_data/datasets/frs/extended_frs.py
+++ b/policyengine_uk_data/datasets/frs/extended_frs.py
@@ -97,7 +97,6 @@ class ExtendedFRS_2022_23(ExtendedFRS):
     data_format = Dataset.TIME_PERIOD_ARRAYS
     input_frs = FRS_2022_23
     time_period = 2022
-    url = "release://PolicyEngine/ukda/release/extended_frs_2022_23.h5"
 
 
 if __name__ == "__main__":
diff --git a/policyengine_uk_data/datasets/frs/frs.py b/policyengine_uk_data/datasets/frs/frs.py
index 22ea303..2862df3 100644
--- a/policyengine_uk_data/datasets/frs/frs.py
+++ b/policyengine_uk_data/datasets/frs/frs.py
@@ -115,7 +115,7 @@ class FRS_2022_23(FRS):
     label = "FRS (2022-23)"
     file_path = STORAGE_FOLDER / "frs_2022_23.h5"
     time_period = 2022
-    url = "release://PolicyEngine/ukda/release/frs_2022_23.h5"
+    url = "release://PolicyEngine/ukda/1.3.0/frs_2022_23.h5"
 
 
 def add_id_variables(frs: h5py.File, person: DataFrame, household: DataFrame):
diff --git a/pyproject.toml b/pyproject.toml
index 3cd3f4b..4ecb069 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,14 +17,12 @@ dependencies = [
     "requests",
     "tqdm",
     "tabulate",
-    "build",
 ]
 
 [project.optional-dependencies]
 dev = [
     "black",
     "pytest",
-    "policyengine_uk>=1.8.0",
     "torch",
     "tables",
     "furo",
@@ -32,6 +30,7 @@ dev = [
     "yaml-changelog>=0.1.7",
     "itables",
     "quantile-forest",
+    "build",
 ]
 
 [tool.setuptools]