diff --git a/src/abbey/functions/expire_after.rego b/src/abbey/functions/expire_after.rego
index ebde9a8..4367f0b 100644
--- a/src/abbey/functions/expire_after.rego
+++ b/src/abbey/functions/expire_after.rego
@@ -1,6 +1,6 @@
 package abbey.functions
 
-import future.keywords.if
+import rego.v1
 
 # METADATA
 # title: Expire After
diff --git a/src/abbey/functions/expire_after_test.rego b/src/abbey/functions/expire_after_test.rego
index 1190b36..397b5ad 100644
--- a/src/abbey/functions/expire_after_test.rego
+++ b/src/abbey/functions/expire_after_test.rego
@@ -1,7 +1,7 @@
 package abbey.functions_test
 
 import data.abbey.functions
-import future.keywords.if
+import rego.v1
 
 test_after_expired_duration if {
 	not functions.expire_after("1m") with data.system.abbey.target.grant.approved_at as "2023-01-01T01:00:00Z"
diff --git a/src/abbey/functions/expire_at.rego b/src/abbey/functions/expire_at.rego
index 9578f9c..a78ebcd 100644
--- a/src/abbey/functions/expire_at.rego
+++ b/src/abbey/functions/expire_at.rego
@@ -1,6 +1,6 @@
 package abbey.functions
 
-import future.keywords.if
+import rego.v1
 
 # METADATA
 # title: Expire At
diff --git a/src/abbey/functions/expire_at_test.rego b/src/abbey/functions/expire_at_test.rego
index 20ee959..1be7d23 100644
--- a/src/abbey/functions/expire_at_test.rego
+++ b/src/abbey/functions/expire_at_test.rego
@@ -1,7 +1,7 @@
 package abbey.functions_test
 
 import data.abbey.functions
-import future.keywords.if
+import rego.v1
 
 test_after_expired_at_threshold if {
 	not functions.expire_at("2023-01-01T02:00:00Z") with data.system.abbey.target.grant.approved_at as "2023-01-01T01:00:00Z"
diff --git a/src/abbey/functions/member_of.rego b/src/abbey/functions/member_of.rego
index dd1a11e..7d87332 100644
--- a/src/abbey/functions/member_of.rego
+++ b/src/abbey/functions/member_of.rego
@@ -1,7 +1,6 @@
 package abbey.functions
 
-import future.keywords.if
-import future.keywords.in
+import rego.v1
 
 apps := [
 	"googleworkspace",
diff --git a/src/abbey/functions/member_of_test.rego b/src/abbey/functions/member_of_test.rego
index f816807..76dcdd0 100644
--- a/src/abbey/functions/member_of_test.rego
+++ b/src/abbey/functions/member_of_test.rego
@@ -1,7 +1,7 @@
 package abbey.functions_test
 
 import data.abbey.functions
-import future.keywords.if
+import rego.v1
 
 fixture := {
 	"googleworkspace": {"groups": [