diff --git a/kde-apps/kcalc/kcalc-20.12.2.recipe b/kde-apps/kcalc/kcalc-21.08.2.recipe
similarity index 96%
rename from kde-apps/kcalc/kcalc-20.12.2.recipe
rename to kde-apps/kcalc/kcalc-21.08.2.recipe
index ce0aafc46..000ddba63 100644
--- a/kde-apps/kcalc/kcalc-20.12.2.recipe
+++ b/kde-apps/kcalc/kcalc-21.08.2.recipe
@@ -11,7 +11,7 @@ COPYRIGHT="2010-2021 KDE Organisation"
 LICENSE="GNU GPL v2"
 REVISION="1"
 SOURCE_URI="https://download.kde.org/stable/release-service/$portVersion/src/kcalc-$portVersion.tar.xz"
-CHECKSUM_SHA256="fd23f66404c6847a26c65b9053a37908ca373a2e59d02a9ab8cd51cb53286837"
+CHECKSUM_SHA256="373146cb5a9adec7c811c2dd1f3235027ebae01e433b778b8a516cf50f1f2205"
 SOURCE_DIR="kcalc-$portVersion"
 ADDITIONAL_FILES="kcalc.rdef.in"
 
@@ -59,7 +59,7 @@ REQUIRES="
 
 BUILD_REQUIRES="
 	haiku${secondaryArchSuffix}_devel
-	extra_cmake_modules$secondaryArchSuffix >= 5.77
+	extra_cmake_modules$secondaryArchSuffix >= 5.86
 	devel:libgmp$secondaryArchSuffix
 	devel:libkdeinit5_klauncher$secondaryArchSuffix
 	devel:libKF5Archive$secondaryArchSuffix
@@ -105,6 +105,7 @@ BUILD()
 	cd build
 
 	cmake .. \
+		-DCMAKE_BUILD_TYPE=Release \
 		-DCMAKE_INSTALL_PREFIX=$appsDir \
 		-DCMAKE_INSTALL_LIBDIR=$libDir \
 		-DCMAKE_INSTALL_DATADIR=$dataDir \