diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for rhine
 
+## 1.2
+
+* Changed Stdin clock Tag type to Text
+
 ## 1.1
 
 * dunai-0.11 compatibility
diff --git a/rhine.cabal b/rhine.cabal
--- a/rhine.cabal
+++ b/rhine.cabal
@@ -2,7 +2,7 @@
 
 name:                rhine
 
-version:             1.1
+version:             1.2
 
 synopsis: Functional Reactive Programming with type-level clocks
 
@@ -40,10 +40,9 @@
 extra-doc-files:     README.md
 
 tested-with:
-  GHC == 8.10.7
   GHC == 9.0.2
-  GHC == 9.2.5
-  GHC == 9.4.4
+  GHC == 9.2.8
+  GHC == 9.4.7
 
 source-repository head
   type:     git
@@ -134,6 +133,7 @@
                      , time         >= 1.8
                      , free         >= 5.1
                      , containers   >= 0.5
+                     , text         >= 1.2 && < 2.1
                      , deepseq      >= 1.4
                      , random       >= 1.1
                      , MonadRandom  >= 0.5
diff --git a/src/FRP/Rhine/Clock/Realtime/Stdin.hs b/src/FRP/Rhine/Clock/Realtime/Stdin.hs
--- a/src/FRP/Rhine/Clock/Realtime/Stdin.hs
+++ b/src/FRP/Rhine/Clock/Realtime/Stdin.hs
@@ -15,6 +15,10 @@
 -- transformers
 import Control.Monad.IO.Class
 
+-- text
+import qualified Data.Text as Text
+import qualified Data.Text.IO as Text
+
 -- rhine
 import FRP.Rhine.Clock
 import FRP.Rhine.Clock.Proxy
@@ -27,13 +31,13 @@
 
 instance (MonadIO m) => Clock m StdinClock where
   type Time StdinClock = UTCTime
-  type Tag StdinClock = String
+  type Tag StdinClock = Text.Text
 
   initClock _ = do
     initialTime <- liftIO getCurrentTime
     return
       ( constM $ liftIO $ do
-          line <- getLine
+          line <- Text.getLine
           time <- getCurrentTime
           return (time, line)
       , initialTime