diff --git a/Cargo.lock b/Cargo.lock
index 88fad6a..60a9cdb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -52,6 +52,14 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "akatsuki-pp"
+version = "0.9.6"
+source = "git+https://github.com/osuAkatsuki/akatsuki-pp-rs?rev=588f8fe090bbf262cb86cd95ac9c9c9f35b0da03#588f8fe090bbf262cb86cd95ac9c9c9f35b0da03"
+dependencies = [
+ "tokio",
+]
+
 [[package]]
 name = "akatsuki-pp"
 version = "0.9.6"
@@ -1846,6 +1854,7 @@ dependencies = [
  "akatsuki-pp 0.9.3",
  "akatsuki-pp 0.9.4",
  "akatsuki-pp 0.9.6 (git+https://github.com/CursorDance/akatsuki-pp-rs?rev=56a71011e13274e63f6548611f3d5c822377c0d3)",
+ "akatsuki-pp 0.9.6 (git+https://github.com/osuAkatsuki/akatsuki-pp-rs?rev=588f8fe090bbf262cb86cd95ac9c9c9f35b0da03)",
  "akatsuki-pp 0.9.6 (git+https://github.com/osuAkatsuki/akatsuki-pp-rs?rev=5c97207f25cf9fd07252dca1ba68d785e2147ce1)",
  "akatsuki-pp 0.9.6 (git+https://github.com/osuAkatsuki/akatsuki-pp-rs?rev=9607e63c06927fee0cf2f94ce3a2039e3713387c)",
  "akatsuki-pp 0.9.6 (git+https://github.com/osuAkatsuki/akatsuki-pp-rs?rev=ce896ca661de4aa4c0c6739a703c4a162426878b)",
diff --git a/Cargo.toml b/Cargo.toml
index 7416d65..8f77880 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -62,6 +62,9 @@ no-accuracy = { package = "akatsuki-pp", git = "https://github.com/osuAkatsuki/a
 simplify-relax = { package = "akatsuki-pp", git = "https://github.com/osuAkatsuki/akatsuki-pp-rs", rev = "ce896ca661de4aa4c0c6739a703c4a162426878b", features = [
     "async_tokio",
 ] }
+improved-miss-penalty = { package = "akatsuki-pp", git = "https://github.com/osuAkatsuki/akatsuki-pp-rs", rev = "588f8fe090bbf262cb86cd95ac9c9c9f35b0da03", features = [
+    "async_tokio",
+] }
 
 [profile.release]
 lto = "fat"
diff --git a/src/processor/mod.rs b/src/processor/mod.rs
index 1ca60fe..24ff539 100644
--- a/src/processor/mod.rs
+++ b/src/processor/mod.rs
@@ -24,6 +24,7 @@ use conceptual_rework::{
     GameMode as ConceptualGameMode,
 };
 use cursordance::Beatmap as CdBeatmap;
+use improved_miss_penalty::Beatmap as ImprovedMissPenaltyBeatmap;
 use no_accuracy::Beatmap as NoAccuracyBeatmap;
 use simplify_relax::Beatmap as SimplifyRelaxBeatmap;
 use skill_rebalance::{
@@ -191,6 +192,29 @@ async fn calculate_simplfy_relax_pp(
     Ok(pp)
 }
 
+async fn calculate_improved_miss_penalty_pp(
+    score: &RippleScore,
+    context: Arc<Context>,
+) -> anyhow::Result<f32> {
+    let beatmap_bytes =
+        usecases::beatmaps::fetch_beatmap_osu_file(score.beatmap_id, context).await?;
+    let beatmap = ImprovedMissPenaltyBeatmap::from_bytes(&beatmap_bytes).await?;
+
+    let result = improved_miss_penalty::osu_2019::OsuPP::new(&beatmap)
+        .mods(score.mods as u32)
+        .combo(score.max_combo as usize)
+        .misses(score.count_misses as usize)
+        .accuracy(score.accuracy)
+        .calculate();
+
+    let mut pp = round(result.pp as f32, 2);
+    if pp.is_infinite() || pp.is_nan() {
+        pp = 0.0;
+    }
+
+    Ok(pp)
+}
+
 async fn process_scores(
     rework: &Rework,
     scores: Vec<RippleScore>,
@@ -207,6 +231,7 @@ async fn process_scores(
             16 => calculate_cursordance_pp(score, context.clone()).await?,
             17 => calculate_no_accuracy_pp(score, context.clone()).await?,
             18 => calculate_simplfy_relax_pp(score, context.clone()).await?,
+            19 => calculate_improved_miss_penalty_pp(score, context.clone()).await?,
             _ => unreachable!(),
         };