diff --git a/spock-specs/src/test/groovy/spock/util/concurrent/BlockingVariablesSpec.groovy b/spock-specs/src/test/groovy/spock/util/concurrent/BlockingVariablesSpec.groovy
index 9344f799cd..901c41c4b4 100644
--- a/spock-specs/src/test/groovy/spock/util/concurrent/BlockingVariablesSpec.groovy
+++ b/spock-specs/src/test/groovy/spock/util/concurrent/BlockingVariablesSpec.groovy
@@ -20,6 +20,8 @@ import org.spockframework.runtime.SpockTimeoutError
 import spock.lang.*
 
 class BlockingVariablesSpec extends Specification {
+  @Retry
+  //Flaky execution on build-and-verify (windows-latest) machine
   def "passing example 1 - variable is read after it is written"() {
     def vars = new BlockingVariables()
 
@@ -33,6 +35,8 @@ class BlockingVariablesSpec extends Specification {
     vars.foo == 42
   }
 
+  @Retry
+  //Flaky execution on build-and-verify (windows-latest) machine
   def "passing example 2 - variable is read before it is written"() {
     def vars = new BlockingVariables()