diff --git a/.gitlab/ci/configure_debian10_aarch64_ninja.cmake b/.gitlab/ci/configure_debian10_aarch64_ninja.cmake
index dcb7f821a7..bbccbcf5e8 100644
--- a/.gitlab/ci/configure_debian10_aarch64_ninja.cmake
+++ b/.gitlab/ci/configure_debian10_aarch64_ninja.cmake
@@ -26,6 +26,7 @@ set(CMake_TEST_FindGSL "ON" CACHE BOOL "")
 set(CMake_TEST_FindGTest "ON" CACHE BOOL "")
 set(CMake_TEST_FindGTK2 "ON" CACHE BOOL "")
 set(CMake_TEST_FindIconv "ON" CACHE BOOL "")
+set(CMake_TEST_FindICU "ON" CACHE BOOL "")
 set(CMake_TEST_FindIntl "ON" CACHE BOOL "")
 set(CMake_TEST_FindJNI "ON" CACHE BOOL "")
 set(CMake_TEST_FindJPEG "ON" CACHE BOOL "")
diff --git a/.gitlab/ci/configure_debian10_ninja.cmake b/.gitlab/ci/configure_debian10_ninja.cmake
index 6cf19e3b82..2fcff7a97c 100644
--- a/.gitlab/ci/configure_debian10_ninja.cmake
+++ b/.gitlab/ci/configure_debian10_ninja.cmake
@@ -30,6 +30,7 @@ set(CMake_TEST_FindGSL "ON" CACHE BOOL "")
 set(CMake_TEST_FindGTest "ON" CACHE BOOL "")
 set(CMake_TEST_FindGTK2 "ON" CACHE BOOL "")
 set(CMake_TEST_FindIconv "ON" CACHE BOOL "")
+set(CMake_TEST_FindICU "ON" CACHE BOOL "")
 set(CMake_TEST_FindIntl "ON" CACHE BOOL "")
 set(CMake_TEST_FindJNI "ON" CACHE BOOL "")
 set(CMake_TEST_FindJPEG "ON" CACHE BOOL "")
diff --git a/.gitlab/ci/configure_fedora35_makefiles.cmake b/.gitlab/ci/configure_fedora35_makefiles.cmake
index 6d892d3d5d..9dc5ca982c 100644
--- a/.gitlab/ci/configure_fedora35_makefiles.cmake
+++ b/.gitlab/ci/configure_fedora35_makefiles.cmake
@@ -29,6 +29,7 @@ set(CMake_TEST_FindGSL "ON" CACHE BOOL "")
 set(CMake_TEST_FindGTest "ON" CACHE BOOL "")
 set(CMake_TEST_FindGTK2 "ON" CACHE BOOL "")
 set(CMake_TEST_FindIconv "ON" CACHE BOOL "")
+set(CMake_TEST_FindICU "ON" CACHE BOOL "")
 set(CMake_TEST_FindIntl "ON" CACHE BOOL "")
 set(CMake_TEST_FindJNI "ON" CACHE BOOL "")
 set(CMake_TEST_FindJPEG "ON" CACHE BOOL "")