diff --git a/benchmarks/CMakeLists.txt b/benchmarks/CMakeLists.txt
index 6fe3d24..b6fb5a6 100644
--- a/benchmarks/CMakeLists.txt
+++ b/benchmarks/CMakeLists.txt
@@ -10,5 +10,5 @@ FetchContent_MakeAvailable(nanobench)
 add_executable(lauf_benchmark_chunk)
 target_sources(lauf_benchmark_chunk PRIVATE chunk.cpp)
 target_link_libraries(lauf_benchmark_chunk PRIVATE foonathan::lauf::core nanobench)
-target_compile_features(lauf_benchmark_chunk PRIVATE cxx_std_17)
+target_compile_features(lauf_benchmark_chunk PRIVATE cxx_std_20)
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1545095..90a8281 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -29,7 +29,7 @@ endif()
 #=== Core library target ===#
 add_library(lauf_core)
 add_library(foonathan::lauf::core ALIAS lauf_core)
-target_compile_features(lauf_core PRIVATE cxx_std_17)
+target_compile_features(lauf_core PRIVATE cxx_std_20)
 target_include_directories(lauf_core SYSTEM INTERFACE ../include)
 target_include_directories(lauf_core PRIVATE ../include .)
 target_link_libraries(lauf_core PRIVATE lauf_warnings foonathan::lexy)
@@ -133,7 +133,7 @@ target_sources(lauf_text PRIVATE ${src_dir}/frontend/text.cpp)
 add_library(lauf_qbe)
 add_library(foonathan::lauf::qbe ALIAS lauf_qbe)
 target_include_directories(lauf_qbe PRIVATE .)
-target_compile_features(lauf_qbe PRIVATE cxx_std_17)
+target_compile_features(lauf_qbe PRIVATE cxx_std_20)
 target_link_libraries(lauf_qbe PRIVATE lauf_warnings lauf_core)
 
 target_sources(lauf_qbe PUBLIC ${include_dir}/backend/qbe.h)
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index fe8d44d..6376517 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -10,7 +10,7 @@ FetchContent_MakeAvailable(doctest)
 add_library(lauf_test_base ${CMAKE_CURRENT_SOURCE_DIR}/doctest_main.cpp)
 target_link_libraries(lauf_test_base PUBLIC foonathan::lauf lauf_warnings doctest)
 target_include_directories(lauf_test_base PUBLIC ../src)
-target_compile_features(lauf_test_base PUBLIC cxx_std_17)
+target_compile_features(lauf_test_base PUBLIC cxx_std_20)
 
 #=== Interface compile check target. ===#
 add_library(lauf_interface_check OBJECT all.c)
diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index c01b4db..f527d1e 100644
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -3,11 +3,11 @@
 
 add_executable(lauf_tool_interpreter interpreter.cpp)
 target_link_libraries(lauf_tool_interpreter PRIVATE foonathan::lauf::core foonathan::lauf::text lauf_warnings)
-target_compile_features(lauf_tool_interpreter PRIVATE cxx_std_17)
+target_compile_features(lauf_tool_interpreter PRIVATE cxx_std_20)
 set_target_properties(lauf_tool_interpreter PROPERTIES OUTPUT_NAME "lauf")
 
 add_executable(lauf_tool_qbe qbe.cpp)
 target_link_libraries(lauf_tool_qbe PRIVATE foonathan::lauf::core foonathan::lauf::text foonathan::lauf::qbe lauf_warnings)
-target_compile_features(lauf_tool_qbe PRIVATE cxx_std_17)
+target_compile_features(lauf_tool_qbe PRIVATE cxx_std_20)
 set_target_properties(lauf_tool_qbe PROPERTIES OUTPUT_NAME "lauf-qbe")