diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b72cab5b..46bc205a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -46,9 +46,9 @@ jobs:
           - 8.10.5
           - 8.10.6
           - 8.10.7
-          - 9.0.1
-          - 9.0.2
-          - 9.2.1
+          # - 9.0.1
+          # - 9.0.2
+          # - 9.2.1
           - 9.2.2
           - 9.2.3
           - 9.2.4
diff --git a/README.md b/README.md
index 1f651395..dbe0af41 100644
--- a/README.md
+++ b/README.md
@@ -430,7 +430,7 @@ There's two sets of GHC extensions involved when running Doctest:
 
 ```haskell
 -- |
--- >>> :set -XTupleSections
+-- >>> :seti -XTupleSections
 -- >>> fst' $ (1,) 2
 -- 1
 fst' :: (a, b) -> a
@@ -450,7 +450,7 @@ Haddock](#hiding-examples-from-haddock), e.g.:
 
 ```haskell
 -- $
--- >>> :set -XTupleSections
+-- >>> :seti -XTupleSections
 ```
 
 [language-pragma]: https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/exts/pragmas.html#language-pragma
diff --git a/doc/README.template.md b/doc/README.template.md
index cc3b49a0..b237c202 100644
--- a/doc/README.template.md
+++ b/doc/README.template.md
@@ -385,7 +385,7 @@ There's two sets of GHC extensions involved when running Doctest:
 
 ```haskell
 -- |
--- >>> :set -XTupleSections
+-- >>> :seti -XTupleSections
 -- >>> fst' $ (1,) 2
 -- 1
 fst' :: (a, b) -> a
@@ -405,7 +405,7 @@ Haddock](#hiding-examples-from-haddock), e.g.:
 
 ```haskell
 -- $
--- >>> :set -XTupleSections
+-- >>> :seti -XTupleSections
 ```
 
 [language-pragma]: https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/exts/pragmas.html#language-pragma
diff --git a/test/Language/Haskell/GhciWrapperSpec.hs b/test/Language/Haskell/GhciWrapperSpec.hs
index fc45ea8c..bddf38be 100644
--- a/test/Language/Haskell/GhciWrapperSpec.hs
+++ b/test/Language/Haskell/GhciWrapperSpec.hs
@@ -102,7 +102,7 @@ spec = do
 
     context "with -XOverloadedStrings, -Wall and -Werror" $ do
       it "does not fail on marker expression (bug fix)" $ withInterpreter $ \ghci -> do
-        ghci ":set -XOverloadedStrings -Wall -Werror" `shouldReturn` ""
+        ghci ":seti -XOverloadedStrings -Wall -Werror" `shouldReturn` ""
         ghci "putStrLn \"foo\"" `shouldReturn` "foo\n"
 
     context "with NoImplicitPrelude" $ do