diff --git a/library/Timestamp/Foldls.hs b/library/Timestamp/Foldls.hs
deleted file mode 100644
--- a/library/Timestamp/Foldls.hs
+++ /dev/null
@@ -1,30 +0,0 @@
-{-|
-Folds on timestamped values
--}
-module Timestamp.Foldl
-where
-
-import Timestamp.Prelude hiding (maximum)
-import Timestamp
-import Control.Foldl
-
-
-untimestamped :: Fold input output -> Fold (Timestamped input) output
-untimestamped =
-  premap (\ (Timestamped _ x) -> x)
-
-filteringByUtcTime :: (UTCTime -> Bool) -> Fold (Timestamped input) output -> Fold (Timestamped input) output
-filteringByUtcTime filter =
-  filteringByTimestamp (filter . timestampUtcTime)
-
-filteringByTimestamp :: (Timestamp -> Bool) -> Fold (Timestamped input) output -> Fold (Timestamped input) output
-filteringByTimestamp filter =
-  prefilter (\ (Timestamped ts _) -> filter ts)
-
-inUtcTimeRange :: UTCTime -> UTCTime -> Fold (Timestamped input) output -> Fold (Timestamped input) output
-inUtcTimeRange start end =
-  inTimestampRange (utcTimeTimestamp start) (utcTimeTimestamp end)
-
-inTimestampRange :: Timestamp -> Timestamp -> Fold (Timestamped input) output -> Fold (Timestamped input) output
-inTimestampRange start end =
-  filteringByTimestamp (\ ts -> ts >= start && ts < end)
diff --git a/library/Timestamp/Folds.hs b/library/Timestamp/Folds.hs
new file mode 100644
--- /dev/null
+++ b/library/Timestamp/Folds.hs
@@ -0,0 +1,30 @@
+{-|
+Folds on timestamped values
+-}
+module Timestamp.Folds
+where
+
+import Timestamp.Prelude hiding (maximum)
+import Timestamp
+import Control.Foldl
+
+
+untimestamped :: Fold input output -> Fold (Timestamped input) output
+untimestamped =
+  premap (\ (Timestamped _ x) -> x)
+
+filteringByUtcTime :: (UTCTime -> Bool) -> Fold (Timestamped input) output -> Fold (Timestamped input) output
+filteringByUtcTime filter =
+  filteringByTimestamp (filter . timestampUtcTime)
+
+filteringByTimestamp :: (Timestamp -> Bool) -> Fold (Timestamped input) output -> Fold (Timestamped input) output
+filteringByTimestamp filter =
+  prefilter (\ (Timestamped ts _) -> filter ts)
+
+inUtcTimeRange :: UTCTime -> UTCTime -> Fold (Timestamped input) output -> Fold (Timestamped input) output
+inUtcTimeRange start end =
+  inTimestampRange (utcTimeTimestamp start) (utcTimeTimestamp end)
+
+inTimestampRange :: Timestamp -> Timestamp -> Fold (Timestamped input) output -> Fold (Timestamped input) output
+inTimestampRange start end =
+  filteringByTimestamp (\ ts -> ts >= start && ts < end)
diff --git a/timestamp.cabal b/timestamp.cabal
--- a/timestamp.cabal
+++ b/timestamp.cabal
@@ -1,7 +1,7 @@
 name:
   timestamp
 version:
-  0.1.1
+  0.2
 synopsis:
   Space-efficient Unix timestamp and utilities
 category:
@@ -40,7 +40,7 @@
     Haskell2010
   exposed-modules:
     Timestamp
-    Timestamp.Foldls
+    Timestamp.Folds
   other-modules:
     Timestamp.Data.Conversion
     Timestamp.Data.TypesAndInstances