diff --git a/debian/changelog b/debian/changelog
index 2d99448..952275a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,7 @@ hyprutils (0.10.2-0.1) UNRELEASED; urgency=medium
   * Non-maintainer upload
   * New upstream release (Closes: #1120292)
   * d/control: add libgtest-dev to build-deps
+  * d/tests: port testsuite to gTest
 
  -- Carl Keinath <carl.keinath@gmail.com>  Thu, 13 Nov 2025 23:01:28 +0100
 
diff --git a/debian/tests/CMakeLists.txt b/debian/tests/CMakeLists.txt
index 3dd12c6..3a99eda 100644
--- a/debian/tests/CMakeLists.txt
+++ b/debian/tests/CMakeLists.txt
@@ -1,74 +1,32 @@
 cmake_minimum_required(VERSION 3.19)
-project(hyprutils)
-
-include(CTest)
-
-set(CMAKE_CXX_STANDARD 23)
-add_compile_options(
-    -Wall
-    -Wextra
-    -Wpedantic
-    -Wno-unused-parameter
-    -Wno-unused-value
-    -Wno-missing-field-initializers
-    -Wno-narrowing
-    -Wno-pointer-arith
-)
+project(hyprutils_tests LANGUAGES CXX)
 
 enable_testing()
 
+set(CMAKE_CXX_STANDARD 23)
+add_compile_options(
+  -Wall
+  -Wextra
+  -Wpedantic
+  -Wno-unused-parameter
+  -Wno-unused-value
+  -Wno-missing-field-initializers
+  -Wno-narrowing
+  -Wno-pointer-arith)
+
 find_package(PkgConfig REQUIRED)
+find_package(GTest REQUIRED)
+pkg_check_modules(HYPRUTILS REQUIRED hyprutils)
 pkg_check_modules(deps REQUIRED IMPORTED_TARGET pixman-1)
 
-find_library(HYPRUTILS_LIB hyprutils REQUIRED)
+file(GLOB_RECURSE SRCFILES "src/*.cpp" "include/*.hpp")
 
+add_executable(hyprutils_inline_tests ${SRCFILES})
+target_compile_definitions(hyprutils_inline_tests PRIVATE HU_UNIT_TESTS=1)
 
-add_executable(hyprutils_memory "tests/memory.cpp")
-target_link_libraries(hyprutils_memory PRIVATE ${HYPRUTILS_LIB} PkgConfig::deps)
-add_test(
-  NAME "Memory"
-  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/tests
-  COMMAND hyprutils_memory "memory")
-
-add_executable(hyprutils_string "tests/string.cpp")
-target_link_libraries(hyprutils_string PRIVATE ${HYPRUTILS_LIB} PkgConfig::deps)
-add_test(
-  NAME "String"
-  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/tests
-  COMMAND hyprutils_string "string")
-
-add_executable(hyprutils_signal "tests/signal.cpp")
-target_link_libraries(hyprutils_signal PRIVATE ${HYPRUTILS_LIB} PkgConfig::deps)
-add_test(
-  NAME "Signal"
-  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/tests
-  COMMAND hyprutils_signal "signal")
-
-add_executable(hyprutils_math "tests/math.cpp")
-target_link_libraries(hyprutils_math PRIVATE ${HYPRUTILS_LIB} PkgConfig::deps)
-add_test(
-  NAME "Math"
-  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/tests
-  COMMAND hyprutils_math "math")
-
-add_executable(hyprutils_os "tests/os.cpp")
-target_link_libraries(hyprutils_os PRIVATE ${HYPRUTILS_LIB} PkgConfig::deps)
-add_test(
-  NAME "OS"
-  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/tests
-  COMMAND hyprutils_os "os")
-
-add_executable(hyprutils_filedescriptor "tests/filedescriptor.cpp")
-target_link_libraries(hyprutils_filedescriptor PRIVATE ${HYPRUTILS_LIB} PkgConfig::deps)
-add_test(
-  NAME "Filedescriptor"
-  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/tests
-  COMMAND hyprutils_filedescriptor "filedescriptor")
-
-add_executable(hyprutils_animation "tests/animation.cpp")
-target_link_libraries(hyprutils_animation PRIVATE ${HYPRUTILS_LIB} PkgConfig::deps)
-add_test(
-  NAME "Animation"
-  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/tests
-  COMMAND hyprutils_animation "utils")
+target_include_directories(hyprutils_inline_tests PRIVATE ../include)
+target_link_libraries(hyprutils_inline_tests PRIVATE ${HYPRUTILS_LIBRARIES}
+    GTest::gtest_main
+    PkgConfig::deps)
 
+gtest_discover_tests(hyprutils_inline_tests)
diff --git a/debian/tests/upstream-tests b/debian/tests/upstream-tests
index cec38c9..b442afb 100644
--- a/debian/tests/upstream-tests
+++ b/debian/tests/upstream-tests
@@ -3,7 +3,8 @@
 set -eu
 
 mkdir -p "$AUTOPKGTEST_TMP"
-cp -r tests "$AUTOPKGTEST_TMP"/tests
+cp -r src "$AUTOPKGTEST_TMP"/src
+cp -r include "$AUTOPKGTEST_TMP"/include
 cp debian/tests/CMakeLists.txt "$AUTOPKGTEST_TMP"/CMakeLists.txt
 
 mkdir -p "$AUTOPKGTEST_TMP"/build
@@ -11,4 +12,4 @@ cd "$AUTOPKGTEST_TMP"/build
 
 cmake ..
 cmake --build .
-ctest --output-on-failure
+ctest