diff --git a/CMakeLists.txt b/CMakeLists.txt
index fb19e9891..d2a855047 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ project(Plasma)
 
 # ECM setup
 include(FeatureSummary)
-find_package(ECM 5.20.0  NO_MODULE)
+find_package(ECM 5.21.0  NO_MODULE)
 set_package_properties(ECM PROPERTIES TYPE REQUIRED DESCRIPTION "Extra CMake Modules." URL "https://projects.kde.org/projects/kdesupport/extra-cmake-modules")
 feature_summary(WHAT REQUIRED_PACKAGES_NOT_FOUND FATAL_ON_MISSING_REQUIRED_PACKAGES)
 
@@ -22,7 +22,7 @@ include(ECMQtDeclareLoggingCategory)
 include(KDEPackageAppTemplates)
 
 set(KF5_VERSION "5.21.0") # handled by release scripts
-set(KF5_DEP_VERSION "5.20.0") # handled by release scripts
+set(KF5_DEP_VERSION "5.21.0") # handled by release scripts
 
 ecm_setup_version(${KF5_VERSION}
                   VARIABLE_PREFIX PLASMA