diff --git a/.github/workflows/run_test_suite.yml b/.github/workflows/run_test_suite.yml
index b06099cb..eb0e98be 100644
--- a/.github/workflows/run_test_suite.yml
+++ b/.github/workflows/run_test_suite.yml
@@ -69,6 +69,7 @@ jobs:
                                        # CPAN Module::Load::Conditional
             libscalar-list-utils-perl  # CPAN Scalar::Util
                                        # CPAN Time::HiRes
+            libtimedate-perl           # CPAN TimeDate
 
             # Non-Perl runtime dependencies as documented in README
             llvm                       # for command "llvm-profdata"
diff --git a/README b/README
index 976399be..2f00e2d3 100644
--- a/README
+++ b/README
@@ -138,10 +138,11 @@ These perl packages include:
        - Cpanel::JSON::XS
        - JSON::PP
        - JSON
- - Memory::Process
- - Module::Load::Conditional
- - Scalar::Util
- - Time::HiRes
+  - Memory::Process
+  - Module::Load::Conditional
+  - Scalar::Util
+  - Time::HiRes
+  - TimeDate
 
 If your system is missing any of these, then you may be able to install them
 via: