diff --git a/CMakeLists.txt b/CMakeLists.txt
index da175b36b..29733ccea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,7 @@ set(WEBSITE "https://userbase.kde.org/LatteDock")
 set(BUG_ADDRESS "https://bugs.kde.org/enter_bug.cgi?product=lattedock")
 set(FAQS "https://userbase.kde.org/LatteDock/FAQ")
 
-set(QT_MIN_VERSION "5.9.0")
+set(QT_MIN_VERSION "5.15.0")
 set(KF5_MIN_VERSION "5.71.0")
 
 set(KF5_LOCALE_PREFIX "")
diff --git a/README.md b/README.md
index 32d6c97f9..fc83caa86 100644
--- a/README.md
+++ b/README.md
@@ -24,8 +24,8 @@ Installation
 ## Requirements
 
 We recommend to use at least:
- **Plasma >= 5.15.0**
- **Qt >= 5.12**
+ **Plasma >= 5.18.0**
+ **Qt >= 5.15**
 
 
 Minimum requirements:
@@ -37,9 +37,9 @@ Minimum requirements:
 
 **development packages for:**
 ```
- Qt5Core >= 5.12.0
- Qt5Gui >= 5.12.0
- Qt5Dbus >= 5.12.0
+ Qt5Core >= 5.15.0
+ Qt5Gui >= 5.15.0
+ Qt5Dbus >= 5.15.0
 
  KF5Plasma >= 5.71.0
  KF5PlasmaQuick >= 5.71.0