poppler 23.04.0
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4c55957..c6c757c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,7 +40,7 @@
 endif()
 
 set(POPPLER_MAJOR_VERSION "23")
-set(POPPLER_MINOR_VERSION_STRING "03")
+set(POPPLER_MINOR_VERSION_STRING "04")
 # We want the string version to have 08 but the integer version can't have a leading 0 since otherwise it's considered octal
 # So strip a leading 0 if found in POPPLER_MINOR_VERSION_STRING and store the result in POPPLER_MINOR_VERSION
 string(REGEX REPLACE "^0?(.+)$" "\\1" POPPLER_MINOR_VERSION "${POPPLER_MINOR_VERSION_STRING}")
@@ -609,7 +609,7 @@
   target_include_directories(poppler SYSTEM PRIVATE ${LCMS2_INCLUDE_DIR})
 endif()
 generate_export_header(poppler BASE_NAME poppler-private EXPORT_FILE_NAME "${CMAKE_CURRENT_BINARY_DIR}/poppler_private_export.h")
-set_target_properties(poppler PROPERTIES VERSION 126.0.0 SOVERSION 126)
+set_target_properties(poppler PROPERTIES VERSION 127.0.0 SOVERSION 127)
 if(MINGW AND BUILD_SHARED_LIBS)
     get_target_property(POPPLER_SOVERSION poppler SOVERSION)
     set_target_properties(poppler PROPERTIES SUFFIX "-${POPPLER_SOVERSION}${CMAKE_SHARED_LIBRARY_SUFFIX}")
diff --git a/NEWS b/NEWS
index 5d9b40d..5a60b1a 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,15 @@
+Release 23.04.0:
+        core:
+         * Fix memory issue when signing fails. Issue #1372
+         * Internal improvements of signature related code
+         * CairoOutputDev: improve type3 font rendering
+         * Fix memory leak in GlobalParams::findSystemFontFileForFamilyAndStyle
+
+        utils:
+         * pdftocairo: Fix crash in some special situations
+         * pdfsig: allow holes in -dump signature list
+         * pdfsig: Support --help
+
 Release 23.03.0:
         core:
          * PngWriter: Fix potential uninitialized memory use
diff --git a/cpp/Doxyfile b/cpp/Doxyfile
index 2228f16..24cf216 100644
--- a/cpp/Doxyfile
+++ b/cpp/Doxyfile
@@ -31,7 +31,7 @@
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 23.03.0
+PROJECT_NUMBER         = 23.04.0
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
 # base path where the generated documentation will be put.
diff --git a/qt5/src/Doxyfile b/qt5/src/Doxyfile
index 6a9524b..f1e609d 100644
--- a/qt5/src/Doxyfile
+++ b/qt5/src/Doxyfile
@@ -31,7 +31,7 @@
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 23.03.0
+PROJECT_NUMBER         = 23.04.0
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
 # base path where the generated documentation will be put.
diff --git a/qt6/src/Doxyfile b/qt6/src/Doxyfile
index 6f24c54..0f3a341 100644
--- a/qt6/src/Doxyfile
+++ b/qt6/src/Doxyfile
@@ -31,7 +31,7 @@
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 23.03.0
+PROJECT_NUMBER         = 23.04.0
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
 # base path where the generated documentation will be put.