diff --git a/CMakeLists.txt b/CMakeLists.txt
index c451616..4dd7596 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,11 +63,19 @@ else()
   if(NOT TARGET SDL3_ttf::SDL3_ttf)
     find_package(SDL3_ttf REQUIRED)
   endif()
+  # No version here: libakerror ships no akerrorConfigVersion.cmake, so asking
+  # for one makes find_package reject every install. The floor is enforced by
+  # the #error in include/akgl/error.h instead, which feature-tests
+  # AKERR_FIRST_CONSUMER_STATUS.
   if(NOT TARGET akerror::akerror)
     find_package(akerror REQUIRED)
   endif()
+  # 0.1 rather than bare: libakstdlib 0.1.0 ships an akstdlibConfigVersion.cmake
+  # with SameMinorVersion compatibility, mirroring its soname, so this accepts
+  # any 0.1.x and refuses 0.2 and 1.0. Unversioned, this path would silently
+  # accept an ABI-incompatible libakstdlib.
   if(NOT TARGET akstdlib::akstdlib)
-    find_package(akstdlib REQUIRED)
+    find_package(akstdlib 0.1 REQUIRED)
   endif()
   if(NOT TARGET jansson::jansson)
     find_package(jansson)
@@ -140,10 +148,10 @@ set_target_properties(akgl PROPERTIES
 add_library(akgl::akgl ALIAS akgl)
 
 add_executable(charviewer util/charviewer.c)
-add_executable(test_semver_unit deps/semver/semver_unit.c)
+add_executable(akgl_test_semver_unit deps/semver/semver_unit.c)
 
 # Every suite here is a standalone C program named tests/<name>.c, built as
-# test_<name> and registered with CTest under <name>.
+# akgl_test_<name> and registered with CTest under <name>.
 set(AKGL_TEST_SUITES
   actor
   bitmasks
@@ -162,12 +170,16 @@ set(AKGL_TEST_SUITES
   version
 )
 
+# The executables carry an akgl_ prefix but the CTest names do not: a vendored
+# dependency is free to ship its own tests/version.c, and libakstdlib now does.
+# Its target is created by add_subdirectory even though EXCLUDE_FROM_ALL keeps
+# it from being built, so an unprefixed test_version here is a configure error.
 foreach(suite IN LISTS AKGL_TEST_SUITES)
-  add_executable(test_${suite} tests/${suite}.c)
-  add_test(NAME ${suite} COMMAND test_${suite})
+  add_executable(akgl_test_${suite} tests/${suite}.c)
+  add_test(NAME ${suite} COMMAND akgl_test_${suite})
 endforeach()
 
-add_test(NAME semver_unit COMMAND test_semver_unit)
+add_test(NAME semver_unit COMMAND akgl_test_semver_unit)
 
 set_tests_properties(
   ${AKGL_TEST_SUITES} semver_unit
@@ -235,8 +247,8 @@ target_link_libraries(akgl
 )
   
 foreach(suite IN LISTS AKGL_TEST_SUITES)
-  target_link_libraries(test_${suite} PRIVATE akstdlib::akstdlib akerror::akerror akgl SDL3::SDL3 SDL3_ttf::SDL3_ttf SDL3_image::SDL3_image SDL3_mixer::SDL3_mixer  jansson::jansson -lm)
-  target_include_directories(test_${suite} PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/tests")
+  target_link_libraries(akgl_test_${suite} PRIVATE akstdlib::akstdlib akerror::akerror akgl SDL3::SDL3 SDL3_ttf::SDL3_ttf SDL3_image::SDL3_image SDL3_mixer::SDL3_mixer  jansson::jansson -lm)
+  target_include_directories(akgl_test_${suite} PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/tests")
 endforeach()
 
 target_link_libraries(charviewer PRIVATE akstdlib::akstdlib akerror::akerror akgl SDL3::SDL3 SDL3_ttf::SDL3_ttf SDL3_image::SDL3_image SDL3_mixer::SDL3_mixer  jansson::jansson -lm)
@@ -256,7 +268,7 @@ if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
     "$<TARGET_FILE_DIR:akstdlib::akstdlib>"
   )
   foreach(suite IN LISTS AKGL_TEST_SUITES)
-    set_target_properties(test_${suite} PROPERTIES BUILD_RPATH "${AKGL_VENDORED_RPATH}")
+    set_target_properties(akgl_test_${suite} PROPERTIES BUILD_RPATH "${AKGL_VENDORED_RPATH}")
   endforeach()
   set_target_properties(charviewer akgl PROPERTIES BUILD_RPATH "${AKGL_VENDORED_RPATH}")
 
diff --git a/deps/libakstdlib b/deps/libakstdlib
index a87cbfb..95e5002 160000
--- a/deps/libakstdlib
+++ b/deps/libakstdlib
@@ -1 +1 @@
-Subproject commit a87cbfb26dce716e263c918908b2039741ff1aff
+Subproject commit 95e500251260e2ce5984226aa12079969bffd873