diff --git a/defaults-fluka.sh b/defaults-fluka.sh
index 3871c33e2e..75e61fe6fe 100644
--- a/defaults-fluka.sh
+++ b/defaults-fluka.sh
@@ -10,7 +10,7 @@ env:
 overrides:
   AliRoot:
     version: "%(tag_basename)s_FLUKA"
-    tag: v5-09-56w
+    tag: v5-09-56x
     requires:
       - ROOT
       - DPMJET
@@ -29,7 +29,7 @@ overrides:
       - boost
   AliPhysics:
     version: "%(tag_basename)s_FLUKA"
-    tag: v5-09-56w-01
+    tag: v5-09-56x-01
   cgal:
     version: "4.12.2"
   fastjet:
diff --git a/defaults-jalien.sh b/defaults-jalien.sh
index b3efb206d8..7df2f60de7 100644
--- a/defaults-jalien.sh
+++ b/defaults-jalien.sh
@@ -10,10 +10,10 @@ env:
 overrides:
   AliRoot:
     version: "%(tag_basename)s_JALIEN"
-    tag: v5-09-56w
+    tag: v5-09-56x
   AliPhysics:
     version: "%(tag_basename)s_JALIEN"
-    tag: v5-09-56w-01
+    tag: v5-09-56x-01
   autotools:
     version: "%(tag_basename)s_JALIEN"
     tag: v1.5.0
diff --git a/defaults-next-root6.sh b/defaults-next-root6.sh
index c4313329e6..3c011ed4ab 100644
--- a/defaults-next-root6.sh
+++ b/defaults-next-root6.sh
@@ -9,8 +9,8 @@ env:
 overrides:
   AliRoot:
     version: "%(tag_basename)s_ROOT6"
-    tag: v5-09-56w
+    tag: v5-09-56x
   AliPhysics:
     version: "%(tag_basename)s_ROOT6"
-    tag: v5-09-56w-01
+    tag: v5-09-56x-01
 ---
diff --git a/defaults-o2.sh b/defaults-o2.sh
index 717960b3e1..ea7d8f8aa3 100644
--- a/defaults-o2.sh
+++ b/defaults-o2.sh
@@ -10,7 +10,7 @@ env:
 overrides:
   AliRoot:
     version: "%(commit_hash)s_O2"
-    tag: v5-09-56w
+    tag: v5-09-56x
     requires:
       - ROOT
       - DPMJET
@@ -27,7 +27,7 @@ overrides:
       - boost
   AliPhysics:
     version: "%(commit_hash)s_O2"
-    tag: v5-09-56w-01
+    tag: v5-09-56x-01
   cgal:
     version: "4.12.2"
   fastjet:
diff --git a/defaults-prod-latest.sh b/defaults-prod-latest.sh
index 22aa153f72..101e1ccc56 100644
--- a/defaults-prod-latest.sh
+++ b/defaults-prod-latest.sh
@@ -12,7 +12,7 @@ overrides:
   # Pinpoint AliRoot/AliPhysics
   AliRoot:
     version: "%(tag_basename)s"
-    tag: v5-09-56w
+    tag: v5-09-56x
     requires:
       - ROOT
       - DPMJET
@@ -23,7 +23,7 @@ overrides:
       - AliEn-ROOT-Legacy
   AliPhysics:
     version: "%(tag_basename)s"
-    tag: v5-09-56w-01
+    tag: v5-09-56x-01
   XRootD:
     tag: v3.3.6-alice2
     source: https://github.com/alisw/xrootd.git
diff --git a/defaults-release.sh b/defaults-release.sh
index e5ea62e02a..16f608fbe9 100644
--- a/defaults-release.sh
+++ b/defaults-release.sh
@@ -12,7 +12,7 @@ overrides:
   # Pinpoint AliRoot/AliPhysics
   AliRoot:
     version: "%(tag_basename)s"
-    tag: v5-09-56w
+    tag: v5-09-56x
     requires:
       - ROOT
       - DPMJET
@@ -23,7 +23,7 @@ overrides:
       - AliEn-ROOT-Legacy
   AliPhysics:
     version: "%(tag_basename)s"
-    tag: v5-09-56w-01
+    tag: v5-09-56x-01
   XRootD:
     tag: v3.3.6-alice2
     source: https://github.com/alisw/xrootd.git
diff --git a/defaults-user-next-root6.sh b/defaults-user-next-root6.sh
index cd77b9439d..63c200630b 100644
--- a/defaults-user-next-root6.sh
+++ b/defaults-user-next-root6.sh
@@ -13,8 +13,8 @@ disable:
 overrides:
   AliRoot:
     version: "%(tag_basename)s"
-    tag: v5-09-56w
+    tag: v5-09-56x
   AliPhysics:
     version: "%(tag_basename)s"
-    tag: v5-09-56w-01
+    tag: v5-09-56x-01
 ---
diff --git a/defaults-user.sh b/defaults-user.sh
index 567ddaa439..4de6bf361f 100644
--- a/defaults-user.sh
+++ b/defaults-user.sh
@@ -14,7 +14,7 @@ disable:
 overrides:
   AliRoot:
     version: "%(tag_basename)s"
-    tag: v5-09-56w
+    tag: v5-09-56x
     requires:
       - ROOT
       - DPMJET
@@ -25,7 +25,7 @@ overrides:
       - AliEn-ROOT-Legacy
   AliPhysics:
     version: "%(tag_basename)s"
-    tag: v5-09-56w-01
+    tag: v5-09-56x-01
   XRootD:
     tag: v3.3.6-alice2
     source: https://github.com/alisw/xrootd.git