diff --git a/pkgs/servers/monitoring/icinga2/default.nix b/pkgs/servers/monitoring/icinga2/default.nix
index 403420cb9962..02b382349bc6 100644
--- a/pkgs/servers/monitoring/icinga2/default.nix
+++ b/pkgs/servers/monitoring/icinga2/default.nix
@@ -30,13 +30,13 @@
 
 stdenv.mkDerivation rec {
   pname = "icinga2${nameSuffix}";
-  version = "2.14.3";
+  version = "2.14.5";
 
   src = fetchFromGitHub {
     owner = "icinga";
     repo = "icinga2";
     rev = "v${version}";
-    hash = "sha256-QXe/+yQlyyOa78eEiudDni08SCUP3nhTYVpbmVUVKA8=";
+    hash = "sha256-5FQIcOvuq1GHX80rYuZ3jCM3CF9Fq1149nvlO1njqfA=";
   };
 
   patches = [
diff --git a/pkgs/servers/monitoring/icinga2/no-var-directories.patch b/pkgs/servers/monitoring/icinga2/no-var-directories.patch
index 3a1d48055852..108493a7f831 100644
--- a/pkgs/servers/monitoring/icinga2/no-var-directories.patch
+++ b/pkgs/servers/monitoring/icinga2/no-var-directories.patch
@@ -1,25 +1,29 @@
 diff --git a/icinga-app/CMakeLists.txt b/icinga-app/CMakeLists.txt
-index 87993df..819c87b 100644
+index 1c92d8331..e77199959 100644
 --- a/icinga-app/CMakeLists.txt
 +++ b/icinga-app/CMakeLists.txt
-@@ -106,7 +106,3 @@ install(
+@@ -94,9 +94,3 @@ install(
    TARGETS icinga-app
    RUNTIME DESTINATION ${InstallPath}
  )
 -
--install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_LOGDIR}\")")
--install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}\")")
--install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_INITRUNDIR}\")")
+-if(NOT WIN32)
+-  install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_LOGDIR}\")")
+-  install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}\")")
+-  install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_INITRUNDIR}\")")
+-endif()
 diff --git a/lib/base/CMakeLists.txt b/lib/base/CMakeLists.txt
-index 5dda179..22cf69f 100644
+index 986050017..39711c79e 100644
 --- a/lib/base/CMakeLists.txt
 +++ b/lib/base/CMakeLists.txt
-@@ -125,7 +125,4 @@ set_target_properties (
+@@ -154,9 +154,4 @@ set_target_properties (
    FOLDER Lib
  )
  
--install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_CACHEDIR}\")")
--install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_LOGDIR}/crash\")")
+-if(NOT WIN32)
+-  install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_CACHEDIR}\")")
+-  install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_LOGDIR}/crash\")")
+-endif()
 -
  set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS "${CPACK_NSIS_EXTRA_INSTALL_COMMANDS}" PARENT_SCOPE)
 diff --git a/lib/perfdata/CMakeLists.txt b/lib/perfdata/CMakeLists.txt
@@ -35,22 +39,22 @@ index ab963f7..3d9d506 100644
 -
  set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS "${CPACK_NSIS_EXTRA_INSTALL_COMMANDS}" PARENT_SCOPE)
 diff --git a/lib/remote/CMakeLists.txt b/lib/remote/CMakeLists.txt
-index 65113d2..5e4398f 100644
+index 2271abff6..fc03b5c6b 100644
 --- a/lib/remote/CMakeLists.txt
 +++ b/lib/remote/CMakeLists.txt
-@@ -55,12 +55,3 @@ set_target_properties (
+@@ -57,12 +57,3 @@ set_target_properties (
    remote PROPERTIES
    FOLDER Lib
  )
 -
--#install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}/api\")")
--install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}/api/log\")")
--install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}/api/zones\")")
--install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}/api/zones-stage\")")
--install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}/certs\")")
--install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}/certificate-requests\")")
--
--
+-if(NOT WIN32)
+-  #install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}/api\")")
+-  install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}/api/log\")")
+-  install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}/api/zones\")")
+-  install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}/api/zones-stage\")")
+-  install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}/certs\")")
+-  install(CODE "file(MAKE_DIRECTORY \"\$ENV{DESTDIR}${ICINGA2_FULL_DATADIR}/certificate-requests\")")
+-endif()
 diff --git a/lib/compat/CMakeLists.txt b/lib/compat/CMakeLists.txt
 index 1438626..d882ae2 100644
 --- a/lib/compat/CMakeLists.txt