diff --git a/internal/engine/httpheader/useragent.go b/internal/engine/httpheader/useragent.go
index 6b2811b..2ba4e5f 100644
--- a/internal/engine/httpheader/useragent.go
+++ b/internal/engine/httpheader/useragent.go
@@ -3,8 +3,8 @@ package httpheader
 
 // UserAgent returns the User-Agent header used for measuring.
 func UserAgent() string {
-	// 8.0% as of Mar 3, 2021 according to https://techblog.willshouse.com/2012/01/03/most-common-user-agents/
-	const ua = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36"
+	// 11.4% as of Mar 31, 2021 according to https://techblog.willshouse.com/2012/01/03/most-common-user-agents/
+	const ua = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36"
 	return ua
 }
 
diff --git a/internal/engine/netx/gocertifi/certifi.go b/internal/engine/netx/gocertifi/certifi.go
index 7968d85..4857759 100644
--- a/internal/engine/netx/gocertifi/certifi.go
+++ b/internal/engine/netx/gocertifi/certifi.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 12:20:35.042573349 +0100 CET m=+0.416591177
+// 2021-03-31 16:50:03.221493757 +0200 CEST m=+1.318280953
 // https://curl.haxx.se/ca/cacert.pem
 
 package gocertifi
@@ -3241,7 +3241,7 @@ kpzNNIaRkPpkUZ3+/uul9XXeifdy
 `
 
 // CACerts builds an X.509 certificate pool containing the
-// certificate bundle from https://curl.haxx.se/ca/cacert.pem fetch on 2021-03-10 12:20:35.042573349 +0100 CET m=+0.416591177.
+// certificate bundle from https://curl.haxx.se/ca/cacert.pem fetch on 2021-03-31 16:50:03.221493757 +0200 CEST m=+1.318280953.
 // Returns nil on error along with an appropriate error code.
 func CACerts() (*x509.CertPool, error) {
 	pool := x509.NewCertPool()
diff --git a/internal/engine/ooapi/apis.go b/internal/engine/ooapi/apis.go
index 0bf2126..9fdf343 100644
--- a/internal/engine/ooapi/apis.go
+++ b/internal/engine/ooapi/apis.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:31.904167818 +0100 CET m=+0.000077877
+// 2021-03-31 16:50:03.708459546 +0200 CEST m=+0.000228783
 
 package ooapi
 
diff --git a/internal/engine/ooapi/apis_test.go b/internal/engine/ooapi/apis_test.go
index f613123..3516771 100644
--- a/internal/engine/ooapi/apis_test.go
+++ b/internal/engine/ooapi/apis_test.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:32.206416809 +0100 CET m=+0.000074280
+// 2021-03-31 16:50:04.057051721 +0200 CEST m=+0.000093878
 
 package ooapi
 
diff --git a/internal/engine/ooapi/caching.go b/internal/engine/ooapi/caching.go
index 725d2ab..f0eb820 100644
--- a/internal/engine/ooapi/caching.go
+++ b/internal/engine/ooapi/caching.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:32.455000394 +0100 CET m=+0.000119352
+// 2021-03-31 16:50:04.317557242 +0200 CEST m=+0.000161626
 
 package ooapi
 
diff --git a/internal/engine/ooapi/caching_test.go b/internal/engine/ooapi/caching_test.go
index b75e46f..b278884 100644
--- a/internal/engine/ooapi/caching_test.go
+++ b/internal/engine/ooapi/caching_test.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:32.727159555 +0100 CET m=+0.000080664
+// 2021-03-31 16:50:04.580341787 +0200 CEST m=+0.000148802
 
 package ooapi
 
diff --git a/internal/engine/ooapi/callers.go b/internal/engine/ooapi/callers.go
index d539634..469ce03 100644
--- a/internal/engine/ooapi/callers.go
+++ b/internal/engine/ooapi/callers.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:32.990745473 +0100 CET m=+0.000093232
+// 2021-03-31 16:50:04.79291318 +0200 CEST m=+0.000077728
 
 package ooapi
 
diff --git a/internal/engine/ooapi/clientcall.go b/internal/engine/ooapi/clientcall.go
index e6658aa..98a589b 100644
--- a/internal/engine/ooapi/clientcall.go
+++ b/internal/engine/ooapi/clientcall.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:33.307415377 +0100 CET m=+0.000150212
+// 2021-03-31 16:50:05.02947443 +0200 CEST m=+0.000143471
 
 package ooapi
 
diff --git a/internal/engine/ooapi/clientcall_test.go b/internal/engine/ooapi/clientcall_test.go
index 82096b4..51557cc 100644
--- a/internal/engine/ooapi/clientcall_test.go
+++ b/internal/engine/ooapi/clientcall_test.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:33.590560357 +0100 CET m=+0.000145982
+// 2021-03-31 16:50:05.248051533 +0200 CEST m=+0.000086484
 
 package ooapi
 
diff --git a/internal/engine/ooapi/cloners.go b/internal/engine/ooapi/cloners.go
index 903318b..16c9584 100644
--- a/internal/engine/ooapi/cloners.go
+++ b/internal/engine/ooapi/cloners.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:33.849313529 +0100 CET m=+0.000136772
+// 2021-03-31 16:50:05.487854795 +0200 CEST m=+0.000140777
 
 package ooapi
 
diff --git a/internal/engine/ooapi/fakeapi_test.go b/internal/engine/ooapi/fakeapi_test.go
index 81d096c..f03c3cb 100644
--- a/internal/engine/ooapi/fakeapi_test.go
+++ b/internal/engine/ooapi/fakeapi_test.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:34.086220417 +0100 CET m=+0.000080714
+// 2021-03-31 16:50:05.702711633 +0200 CEST m=+0.000209246
 
 package ooapi
 
diff --git a/internal/engine/ooapi/login.go b/internal/engine/ooapi/login.go
index 53a1a72..7296e74 100644
--- a/internal/engine/ooapi/login.go
+++ b/internal/engine/ooapi/login.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:34.342751918 +0100 CET m=+0.000196026
+// 2021-03-31 16:50:05.963781069 +0200 CEST m=+0.000149834
 
 package ooapi
 
diff --git a/internal/engine/ooapi/login_test.go b/internal/engine/ooapi/login_test.go
index 209d1ec..d510d25 100644
--- a/internal/engine/ooapi/login_test.go
+++ b/internal/engine/ooapi/login_test.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:34.605701732 +0100 CET m=+0.000131680
+// 2021-03-31 16:50:06.223242139 +0200 CEST m=+0.000161967
 
 package ooapi
 
diff --git a/internal/engine/ooapi/requests.go b/internal/engine/ooapi/requests.go
index 78a920f..0e05a0a 100644
--- a/internal/engine/ooapi/requests.go
+++ b/internal/engine/ooapi/requests.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:35.068399906 +0100 CET m=+0.000095438
+// 2021-03-31 16:50:06.482208133 +0200 CEST m=+0.000110650
 
 package ooapi
 
diff --git a/internal/engine/ooapi/responses.go b/internal/engine/ooapi/responses.go
index 01d682c..a4a9732 100644
--- a/internal/engine/ooapi/responses.go
+++ b/internal/engine/ooapi/responses.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:35.43791782 +0100 CET m=+0.000136842
+// 2021-03-31 16:50:06.785000911 +0200 CEST m=+0.000179961
 
 package ooapi
 
diff --git a/internal/engine/ooapi/swagger_test.go b/internal/engine/ooapi/swagger_test.go
index e775b2f..bc2dc53 100644
--- a/internal/engine/ooapi/swagger_test.go
+++ b/internal/engine/ooapi/swagger_test.go
@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2021-03-10 13:17:35.72281221 +0100 CET m=+0.000577472
+// 2021-03-31 16:50:07.052341608 +0200 CEST m=+0.000586077
 
 package ooapi
 
@@ -9,7 +9,7 @@ const swagger = `{
     "swagger": "2.0",
     "info": {
         "title": "OONI API specification",
-        "version": "0.20210310.3121735"
+        "version": "0.20210331.3145007"
     },
     "host": "api.ooni.io",
     "basePath": "/",
diff --git a/internal/version/version.go b/internal/version/version.go
index 848e907..c01bb74 100644
--- a/internal/version/version.go
+++ b/internal/version/version.go
@@ -3,5 +3,5 @@ package version
 
 const (
 	// Version is the software version
-	Version = "3.9.0-alpha"
+	Version = "3.9.0"
 )