diff --git a/cmake/version.cmake b/cmake/version.cmake
index 9a862f82..1fbfddf1 100644
--- a/cmake/version.cmake
+++ b/cmake/version.cmake
@@ -30,6 +30,11 @@ if("${NIXPKGS_DWARFS_VERSION_OVERRIDE}" STREQUAL "")
     COMMAND git -C "${CMAKE_CURRENT_SOURCE_DIR}" log -1 --format=%h --abbrev=10
     OUTPUT_VARIABLE PRJ_GIT_REV
     OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
+
+  execute_process(
+    COMMAND git -C "${CMAKE_CURRENT_SOURCE_DIR}" log -1 --format=%cs
+    OUTPUT_VARIABLE PRJ_GIT_DATE
+    OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
 endif()
 
 get_filename_component(GIT_TOPLEVEL "${GIT_TOPLEVEL_RAW}" REALPATH)
@@ -38,6 +43,7 @@ get_filename_component(REAL_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}" REALPATH)
 message(STATUS "REAL_SOURCE_DIR: ${REAL_SOURCE_DIR} (${CMAKE_CURRENT_SOURCE_DIR})")
 message(STATUS "GIT_TOPLEVEL: ${GIT_TOPLEVEL} (${GIT_TOPLEVEL_RAW})")
 message(STATUS "PRJ_GIT_REV: ${PRJ_GIT_REV}")
+message(STATUS "PRJ_GIT_DATE: ${PRJ_GIT_DATE}")
 
 if(((NOT "${REAL_SOURCE_DIR}" STREQUAL "${GIT_TOPLEVEL}")
    OR ("${PRJ_GIT_REV}" STREQUAL ""))
@@ -84,6 +90,7 @@ else()
   endif()
 
   string(STRIP "${PRJ_GIT_REV}" PRJ_GIT_REV)
+  string(STRIP "${PRJ_GIT_DATE}" PRJ_GIT_DATE)
   string(STRIP "${PRJ_GIT_DESC}" PRJ_GIT_DESC)
   string(STRIP "${PRJ_GIT_BRANCH}" PRJ_GIT_BRANCH)
   string(SUBSTRING "${PRJ_GIT_DESC}" 1 -1 PRJ_VERSION_FULL)
@@ -103,10 +110,17 @@ else()
     set(PRJ_GIT_ID "${PRJ_GIT_ID} on branch ${PRJ_GIT_BRANCH}")
   endif()
 
+  if(PRJ_GIT_DATE)
+    set(PRJ_GIT_DATE_VALUE "\"${PRJ_GIT_DATE}\"")
+  else()
+    set(PRJ_GIT_DATE_VALUE "nullptr")
+  endif()
+
   set(PKG_VERSION
       "# autogenerated code, do not modify
 
 set(PRJ_GIT_REV \"${PRJ_GIT_REV}\")
+set(PRJ_GIT_DATE \"${PRJ_GIT_DATE}\")
 set(PRJ_GIT_DESC \"${PRJ_GIT_DESC}\")
 set(PRJ_GIT_BRANCH \"${PRJ_GIT_BRANCH}\")
 set(PRJ_GIT_ID \"${PRJ_GIT_ID}\")
@@ -126,6 +140,7 @@ set(PRJ_VERSION_PATCH \"${PRJ_VERSION_PATCH}\")
 namespace dwarfs {
 
 char const* PRJ_GIT_REV = \"${PRJ_GIT_REV}\";
+char const* PRJ_GIT_DATE = ${PRJ_GIT_DATE_VALUE};
 char const* PRJ_GIT_DESC = \"${PRJ_GIT_DESC}\";
 char const* PRJ_GIT_BRANCH = \"${PRJ_GIT_BRANCH}\";
 char const* PRJ_GIT_ID = \"${PRJ_GIT_ID}\";
@@ -145,6 +160,7 @@ char const* PRJ_GIT_ID = \"${PRJ_GIT_ID}\";
 namespace dwarfs {
 
 extern char const* PRJ_GIT_REV;
+extern char const* PRJ_GIT_DATE;
 extern char const* PRJ_GIT_DESC;
 extern char const* PRJ_GIT_BRANCH;
 extern char const* PRJ_GIT_ID;
diff --git a/src/dwarfs/tool.cpp b/src/dwarfs/tool.cpp
index abdb1481..4e0c4491 100644
--- a/src/dwarfs/tool.cpp
+++ b/src/dwarfs/tool.cpp
@@ -29,6 +29,10 @@ namespace dwarfs {
 
 std::string
 tool_header(std::string_view tool_name, std::string_view extra_info) {
+  std::string date;
+  if (PRJ_GIT_DATE) {
+    date = fmt::format(" [{}]", PRJ_GIT_DATE);
+  }
   return fmt::format(
       // clang-format off
     R"(     ___                  ___ ___)""\n"
@@ -36,8 +40,8 @@ tool_header(std::string_view tool_name, std::string_view extra_info) {
     R"(    | |) \ V  V / _` | '_| _|\__ \      Advanced Read-only File System)""\n"
     R"(    |___/ \_/\_/\__,_|_| |_| |___/         by Marcus Holland-Moritz)""\n\n"
       // clang-format on
-      "{} ({}{})\nbuilt on {}\n\n",
-      tool_name, PRJ_GIT_ID, extra_info, PRJ_BUILD_ID);
+      "{} ({}{}{})\nbuilt for {}\n\n",
+      tool_name, PRJ_GIT_ID, date, extra_info, PRJ_BUILD_ID);
 }
 
 void add_common_options(boost::program_options::options_description& opts,