diff --git a/CHANGELOG.md b/CHANGELOG.md
index 77f9d529..087b91bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 ### Bug fixes
 * Fixed error in deploy workflow. @mavaylon1 [#109](https://github.com/hdmf-dev/hdmf-zarr/pull/109)
+* Fixed build error for ReadtheDocs by degrading numpy for python 3.7 support. @mavaylon1 [#115](https://github.com/hdmf-dev/hdmf-zarr/pull/115)
 
 
 ## 0.3.0 (July 21, 2023)
diff --git a/requirements.txt b/requirements.txt
index 6c5f1020..20a92d6d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,7 @@
 hdmf==3.5.4
 zarr==2.11.0
 pynwb==2.3.2
-numpy==1.23.5
-numcodecs==0.11.0
+numpy==1.21; python_version < "3.8"
+numpy==1.23; python_version >= "3.8"
+numcodecs==0.10.2; python_version < "3.8"
+numcodecs==0.11.0; python_version >= "3.8"
diff --git a/setup.py b/setup.py
index 254bd0f5..5b155ecb 100755
--- a/setup.py
+++ b/setup.py
@@ -19,8 +19,11 @@
 reqs = [
     'hdmf==3.5.4',  # temporary
     'zarr>=2.11.0',
-    'numpy>=1.22, <1.24; python_version>"3.7"',
+    'numpy<1.22; python_version < "3.8"',
+    'numpy>=1.22; python_version >= "3.8"',
     'numcodecs>=0.9.1',
+    'numcodecs==0.10.2; python_version < "3.8"',
+    'numcodecs==0.11.0; python_version >= "3.8"',
     'pynwb>=2.3.2',
     'setuptools',
 ]