diff --git a/meta.yaml b/meta.yaml
index 77366035512961ada7a2bd55cc6d38b43c7f5a8e..695205c98a484569f22369b070bc1c282200a643 100644
--- a/meta.yaml
+++ b/meta.yaml
@@ -5,7 +5,7 @@
 {% set name       = 'fsl-slicetimer' %}
 {% set version    = '2111.0' %}
 {% set repository = 'https://git.fmrib.ox.ac.uk/fsl/slicetimer.git' %}
-{% set build      = '0' %}
+{% set build      = '1' %}
 
 package:
   name:    {{ name    }}
@@ -27,13 +27,13 @@ build:
 
 requirements:
   host:
-    - fsl-base >=2101.5
-    - fsl-armawrap >=0.4.1
-    - fsl-miscmaths >=2010.0
-    - fsl-newimage >=2011.0
-    - fsl-newnifti >=3.0.6
-    - fsl-utils >=2007.0
-    - fsl-znzlib >=2012.0
+    - fsl-base
+    - fsl-armawrap 0
+    - fsl-miscmaths 2202
+    - fsl-newimage 2202
+    - fsl-newnifti 4
+    - fsl-utils 2111
+    - fsl-znzlib 2111
   build:
     - {{ compiler("cxx") }}
     - make