diff --git a/build.sc b/build.sc
index cdf15bb38fe..b9bcd7cd86b 100644
--- a/build.sc
+++ b/build.sc
@@ -141,7 +141,8 @@ object Deps {
   )
   val asciidoctorj = ivy"org.asciidoctor:asciidoctorj:2.4.3"
   val bloopConfig = ivy"ch.epfl.scala::bloop-config:1.5.5"
-  val coursier = ivy"io.get-coursier::coursier:2.1.0-RC2"
+  // avoid version 2.1.0-RC2 for issue https://github.com/coursier/coursier/issues/2603
+  val coursier = ivy"io.get-coursier::coursier:2.1.0-RC1"
 
   val flywayCore = ivy"org.flywaydb:flyway-core:8.5.13"
   val graphvizJava = ivy"guru.nidi:graphviz-java-all-j2v8:0.18.1"