diff --git a/build.gradle b/build.gradle
index 5ac62d0c..fb479335 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,7 +24,7 @@ if (buildProfile == 'experimental') {
 }
 
 group 'org.joml'
-version '1.10.8'
+version '1.10.9-SNAPSHOT'
 
 configurations {
     buildhelper
diff --git a/src/main/java/org/joml/Quaternionf.java b/src/main/java/org/joml/Quaternionf.java
index f0ed1ba5..57286fec 100644
--- a/src/main/java/org/joml/Quaternionf.java
+++ b/src/main/java/org/joml/Quaternionf.java
@@ -2111,8 +2111,8 @@ public Quaternionf slerp(Quaternionfc target, float alpha, Quaternionf dest) {
             float sinSqr = 1.0f - absCosom * absCosom;
             float sinom = Math.invsqrt(sinSqr);
             float omega = Math.atan2(sinSqr * sinom, absCosom);
-            scale0 = (float) (Math.sin((1.0 - alpha) * omega) * sinom);
-            scale1 = (float) (Math.sin(alpha * omega) * sinom);
+            scale0 = Math.sin((1.0f - alpha) * omega) * sinom;
+            scale1 = Math.sin(alpha * omega) * sinom;
         } else {
             scale0 = 1.0f - alpha;
             scale1 = alpha;