diff --git a/pyinfra/operations/dnf.py b/pyinfra/operations/dnf.py
index 3349d59c5..426823300 100644
--- a/pyinfra/operations/dnf.py
+++ b/pyinfra/operations/dnf.py
@@ -188,6 +188,7 @@ def packages(
         uninstall_command=' '.join(uninstall_command),
         upgrade_command='dnf update -y',
         version_join='=',
+        lower=False,  # dnf packages are case sensitive
         latest=latest,
         expand_package_fact=host.fact.rpm_package_provides,
     )
diff --git a/pyinfra/operations/yum.py b/pyinfra/operations/yum.py
index 36d47a5da..87dcc1f08 100644
--- a/pyinfra/operations/yum.py
+++ b/pyinfra/operations/yum.py
@@ -188,6 +188,7 @@ def packages(
         uninstall_command=' '.join(uninstall_command),
         upgrade_command='yum update -y',
         version_join='=',
+        lower=False,  # yum packages are case sensitive
         latest=latest,
         expand_package_fact=host.fact.rpm_package_provides,
     )