diff --git a/FSL_SourceManifest.yaml b/FSL_SourceManifest.yaml
index 7558c41308ab9ab4c24cadc71e8062501516027f..67843d73f8c420c551b6fc89fd894b59c79e9ed7 100644
--- a/FSL_SourceManifest.yaml
+++ b/FSL_SourceManifest.yaml
@@ -216,7 +216,7 @@ Packages:
         protocol:    Git
         destination: src/FastPDlib
     fdt:
-        version:     2012.0
+        version:     2101.0
         location:    git@git.fmrib.ox.ac.uk:fsl/fdt.git
         protocol:    Git
         destination: src/fdt