diff --git a/Cargo.lock b/Cargo.lock
index 76a2110c3..1dbdfa2a2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1477,7 +1477,7 @@ dependencies = [
 [[package]]
 name = "fsrs"
 version = "0.1.0"
-source = "git+https://github.com/open-spaced-repetition/fsrs-rs.git?rev=0e7182496f229b8225bc45e7d3e991f834e2d815#0e7182496f229b8225bc45e7d3e991f834e2d815"
+source = "git+https://github.com/open-spaced-repetition/fsrs-rs.git?rev=19e7af401496d4e5e8dc3ce35528a95f38b6313d#19e7af401496d4e5e8dc3ce35528a95f38b6313d"
 dependencies = [
  "burn",
  "itertools 0.11.0",
diff --git a/Cargo.toml b/Cargo.toml
index b05e97e9e..df58f5ddd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ rev = "184b2ca50ed39ca43da13f0b830a463861adb9ca"
 
 [workspace.dependencies.fsrs]
 git = "https://github.com/open-spaced-repetition/fsrs-rs.git"
-rev = "0e7182496f229b8225bc45e7d3e991f834e2d815"
+rev = "19e7af401496d4e5e8dc3ce35528a95f38b6313d"
 # path = "../../../fsrs-rs"
 
 [workspace.dependencies]
diff --git a/rslib/src/scheduler/fsrs/memory_state.rs b/rslib/src/scheduler/fsrs/memory_state.rs
index 691c74d9b..e23982014 100644
--- a/rslib/src/scheduler/fsrs/memory_state.rs
+++ b/rslib/src/scheduler/fsrs/memory_state.rs
@@ -303,8 +303,8 @@ mod tests {
         assert_eq!(
             item.starting_state,
             Some(MemoryState {
-                stability: 100.,
-                difficulty: 4.4642878
+                stability: 99.999954,
+                difficulty: 4.4642887
             })
         );
         let mut card = Card::default();
@@ -312,8 +312,8 @@ mod tests {
         assert_eq!(
             card.memory_state,
             Some(FsrsMemoryState {
-                stability: 248.47879,
-                difficulty: 4.468945
+                stability: 248.47868,
+                difficulty: 4.468946
             })
         );
         // but if there's only a single revlog entry, we'll fall back on current card
@@ -336,7 +336,7 @@ mod tests {
         assert_eq!(
             card.memory_state,
             Some(FsrsMemoryState {
-                stability: 123.0,
+                stability: 122.99994,
                 difficulty: 6.5147324,
             })
         );
@@ -358,7 +358,7 @@ mod tests {
             card.memory_state,
             Some(
                 MemoryState {
-                    stability: 100.0,
+                    stability: 99.999954,
                     difficulty: 9.692858
                 }
                 .into()