diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 7c0f2f4be..fa9a5e08a 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -22,21 +22,21 @@ jobs:
             command: 'terminal.__.test'
 
           - java-version: 11
-            command: 'sshd[{2.12.20,2.13.14,3.4.2,3.5.0}].__.test'
+            command: 'sshd[{2.12.20,2.13.14,3.4.3,3.5.0}].__.test'
 
           - java-version: 11
             command: 'amm.repl[2.12.{9,14,20}].__.test'
           - java-version: 17
             command: 'amm.repl[2.13.{4,9,14}].__.test'
           - java-version: 21
-            command: 'amm.repl[{3.4.2,3.5.0}].__.test'
+            command: 'amm.repl[{3.4.3,3.5.0}].__.test'
 
           - java-version: 11
             command: 'amm[2.12.{9,14,20}].__.test'
           - java-version: 17
             command: 'amm[2.13.{4,9,14}].__.test'
           - java-version: 21
-            command: 'amm[{3.4.2,3.5.0}].__.test'
+            command: 'amm[{3.4.3,3.5.0}].__.test'
 
     runs-on: ubuntu-latest
     steps:
@@ -57,7 +57,7 @@ jobs:
           - java-version: 17
             scala-version: '2.13.{4,9,14}'
           - java-version: 21
-            scala-version: '{3.4.2,3.5.0}'
+            scala-version: '{3.4.3,3.5.0}'
 
     runs-on: ubuntu-latest
     steps:
diff --git a/build.sc b/build.sc
index ac4872bed..eb6212a94 100644
--- a/build.sc
+++ b/build.sc
@@ -61,7 +61,8 @@ val scala2_12Versions = 9.to(20)
 val scala2_13Versions = 2.to(14)
 //  .dropWhile(v => isJava21 && v < 11)
   .map(v => s"2.13.${v}")
-val scala34Versions = Seq("3.4.2")
+// TODO: We can't have 3.4.0 & 3.4.1 until we solve https://github.com/com-lihaoyi/Ammonite/issues/1395
+val scala34Versions = Seq("3.4.2", "3.4.3")
 val scala35Versions = Seq("3.5.0")
 
 val scala2Versions = scala2_12Versions ++ scala2_13Versions