diff --git a/.gersemi/definitions.cmake b/.gersemi/definitions.cmake
new file mode 100644
index 000000000..1e6de7884
--- /dev/null
+++ b/.gersemi/definitions.cmake
@@ -0,0 +1,19 @@
+# Custom CMake command definitions for gersemi formatting.
+# These stubs teach gersemi the signatures of project-specific commands
+# so it can format their invocations correctly.
+
+function(setup_target_for_coverage_gcovr)
+    set(options NONE)
+    set(oneValueArgs BASE_DIRECTORY NAME FORMAT)
+    set(multiValueArgs EXCLUDE EXECUTABLE EXECUTABLE_ARGS DEPENDENCIES)
+    cmake_parse_arguments(
+        THIS_FUNCTION_PREFIX
+        "${options}"
+        "${oneValueArgs}"
+        "${multiValueArgs}"
+        ${ARGN}
+    )
+endfunction()
+
+function(append_coverage_compiler_flags_to_target name mode)
+endfunction()
diff --git a/.gersemirc b/.gersemirc
new file mode 100644
index 000000000..5abd52ffd
--- /dev/null
+++ b/.gersemirc
@@ -0,0 +1 @@
+definitions: [.gersemi]
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index c50b1ec4e..ce556ce12 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   run-hooks:
-    uses: XRPLF/actions/.github/workflows/pre-commit.yml@320be44621ca2a080f05aeb15817c44b84518108
+    uses: XRPLF/actions/.github/workflows/pre-commit.yml@56de1bdf19639e009639a50b8d17c28ca954f267
     with:
       runs_on: heavy
       container: '{ "image": "ghcr.io/xrplf/clio-pre-commit:14342e087ceb8b593027198bf9ef06a43833c696" }'
diff --git a/tests/unit/CMakeLists.txt b/tests/unit/CMakeLists.txt
index d1fa709d6..9966e37b3 100644
--- a/tests/unit/CMakeLists.txt
+++ b/tests/unit/CMakeLists.txt
@@ -254,21 +254,15 @@ if(coverage)
     set(GCOVR_ADDITIONAL_ARGS --exclude-throw-branches -s)
 
     setup_target_for_coverage_gcovr(
-        NAME
-        coverage_report
-        FORMAT
-        ${CODE_COVERAGE_FORMAT}
-        EXECUTABLE
-        clio_tests
-        EXECUTABLE_ARGS
-        --gtest_brief=1
-        ${TESTS_ADDITIONAL_ARGS}
+        NAME coverage_report
+        FORMAT ${CODE_COVERAGE_FORMAT}
+        EXECUTABLE clio_tests
+        EXECUTABLE_ARGS --gtest_brief=1 ${TESTS_ADDITIONAL_ARGS}
         EXCLUDE
-        "tests"
-        "src/data/cassandra"
-        "src/data/CassandraBackend.hpp"
-        "src/data/BackendFactory.*"
-        DEPENDENCIES
-        clio_tests
+            "tests"
+            "src/data/cassandra"
+            "src/data/CassandraBackend.hpp"
+            "src/data/BackendFactory.*"
+        DEPENDENCIES clio_tests
     )
 endif()