diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e72da6fd..5e7a38f7 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -32,6 +32,8 @@ repos:
        - --check-untyped-defs
        - --ignore-missing-imports
        - --namespace-packages
+      additional_dependencies: 
+       - python=3.8
  - repo: https://github.com/Quantco/pre-commit-mirrors-pyupgrade
    rev: 1.26.0
    hooks:
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 78a9c6f4..30309a58 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -8,6 +8,12 @@ Changelog
 =========
 
 
+0.0.15 - 2020-11-11
+-------------------
+
+**Other**
+- Pin quantcore.matrix < 1.0.0 as we are expecting a breaking change with version 1.0.0.
+
 0.0.14 - 2020-08-06
 -------------------
 
diff --git a/conda.recipe/meta.yaml b/conda.recipe/meta.yaml
index ad7da566..51473366 100644
--- a/conda.recipe/meta.yaml
+++ b/conda.recipe/meta.yaml
@@ -41,7 +41,7 @@ requirements:
     - scikit-learn >=0.23
     - scipy
     - sparse_dot_mkl >=0.4.0
-    - quantcore.matrix >=0.0.3
+    - quantcore.matrix >=0.0.3,<1.0.0
 
 test:
   requires:
diff --git a/environment.yml b/environment.yml
index 3a92e7da..b5692b14 100644
--- a/environment.yml
+++ b/environment.yml
@@ -35,7 +35,7 @@ dependencies:
   - xsimd
   - dask-ml
   - tqdm
-  - quantcore.matrix>=0.0.6
+  - quantcore.matrix>=0.0.6,<1.0.0
   - sphinx
   - sphinx_rtd_theme
   - sphinxcontrib-apidoc