diff --git a/pet001/dataset_description.json b/pet001/dataset_description.json
index 0d3459e1b..7fbf13ca2 100644
--- a/pet001/dataset_description.json
+++ b/pet001/dataset_description.json
@@ -1,4 +1,4 @@
-{"BIDSVersion":"1.5.0",
+{"BIDSVersion":"1.6.0",
     "License":"CCO license",
     "Name":"[11C]CIMBI36 PET dataset of a pig",
     "Authors":["Melanie Ganz-Benjaminsen","Martin Noergaard","Hanne Demant Hansen"],
diff --git a/pet003/dataset_description.json b/pet003/dataset_description.json
index 37de4a735..c0c5a0476 100644
--- a/pet003/dataset_description.json
+++ b/pet003/dataset_description.json
@@ -1,4 +1,4 @@
-{"BIDSVersion":"1.5.0",
+{"BIDSVersion":"1.6.0",
     "License":"CCO license",
     "Name":"[11C]DASB data set",
     "Authors":["Martin Norgaard","Christine Delorenzo","Ramin Parsey"],
diff --git a/pet004/dataset_description.json b/pet004/dataset_description.json
index ba6b4aca7..5cd37471e 100644
--- a/pet004/dataset_description.json
+++ b/pet004/dataset_description.json
@@ -1,4 +1,4 @@
-{"BIDSVersion":"1.5.0",
+{"BIDSVersion":"1.6.0",
     "License":"CCO license",
     "Name":"[11C]CIMBI36 PET dataset of a pig, with ketanserin intervention",
     "Authors":["Melanie Ganz-Benjaminsen","Martin Noergaard","Hanne Demant Hansen"],
diff --git a/pet005/dataset_description.json b/pet005/dataset_description.json
index 5ef0c5e0e..5a528cb44 100644
--- a/pet005/dataset_description.json
+++ b/pet005/dataset_description.json
@@ -1,4 +1,4 @@
-{"BIDSVersion":"1.5.0",
+{"BIDSVersion":"1.6.0",
     "License":"CCO license",
     "Name":"[11C]AZ10419369 PET dataset of a single person",
     "Authors":["Hanne Demant Hansen","Melanie Ganz-Benjaminsen","Martin Noergaard"],