diff --git a/go.mod b/go.mod
index c30582ef..6cbd26da 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/anacrolix/torrent
 
-go 1.17
+go 1.16
 
 require (
 	github.com/RoaringBitmap/roaring v0.9.4
diff --git a/go.sum b/go.sum
index 1e44a009..9f627a7d 100644
--- a/go.sum
+++ b/go.sum
@@ -91,6 +91,19 @@ github.com/anacrolix/confluence v1.7.1-0.20210311004351-d642adb8546c/go.mod h1:K
 github.com/anacrolix/confluence v1.8.0/go.mod h1:GsPP6ikA8h/CU7ExbuMOswpzZpPdf1efDPu4rVXL43g=
 github.com/anacrolix/confluence v1.9.0 h1:7WrWktoDw7P4uo1bzgaA8FFesvc7NsTp37sAsG54XlE=
 github.com/anacrolix/confluence v1.9.0/go.mod h1:O5uS+WVgip+3SOcV1K7E/jE3m4DtK7Jk6QJTnU2VS5s=
+github.com/anacrolix/dht v0.0.0-20180412060941-24cbf25b72a4 h1:0yHJvFiGQhJ1gSHJOR8xzmnx45orEt7uiIB6guf0+zc=
+github.com/anacrolix/dht v0.0.0-20180412060941-24cbf25b72a4/go.mod h1:hQfX2BrtuQsLQMYQwsypFAab/GvHg8qxwVi4OJdR1WI=
+github.com/anacrolix/dht/v2 v2.0.1/go.mod h1:GbTT8BaEtfqab/LPd5tY41f3GvYeii3mmDUK300Ycyo=
+github.com/anacrolix/dht/v2 v2.2.1-0.20191103020011-1dba080fb358/go.mod h1:d7ARx3WpELh9uOEEr0+8wvQeVTOkPse4UU6dKpv4q0E=
+github.com/anacrolix/dht/v2 v2.3.2-0.20200103043204-8dce00767ebd/go.mod h1:cgjKyErDnKS6Mej5D1fEqBKg3KwFF2kpFZJp3L6/fGI=
+github.com/anacrolix/dht/v2 v2.5.1-0.20200317023935-129f05e9b752/go.mod h1:7RLvyOjm+ZPA7vgFRP+1eRjFzrh27p/nF0VCk5LcjoU=
+github.com/anacrolix/dht/v2 v2.8.0/go.mod h1:RjeKbveVwjnaVj5os4y/NQwqEoDWHigo5rdge9MP52k=
+github.com/anacrolix/dht/v2 v2.8.1-0.20210221225335-7a6713a749f9/go.mod h1:p7fLHxqc1mtrFGXfJ226Fo2akG3Pv8ngCTnYAzVJXa4=
+github.com/anacrolix/dht/v2 v2.8.1-0.20210311003418-13622df072ae/go.mod h1:wLmYr78fBu4KfUUkFZyGFFwDPDw9EHL5x8c632XCZzs=
+github.com/anacrolix/dht/v2 v2.9.1/go.mod h1:ZyYcIQinN/TE3oKONCchQOLjhYR786Jaxz3jsBtih4A=
+github.com/anacrolix/dht/v2 v2.10.0/go.mod h1:KC51tqylRYBu82RM5pEYf+g1n7db+F0tOJqSbCjjZWc=
+github.com/anacrolix/dht/v2 v2.10.5-0.20210902001729-06cc4fe90e53/go.mod h1:zHjijcebN+L7JbzxW0mOraHis+I81EIgsJAAtiw8bQ8=
+github.com/anacrolix/dht/v2 v2.10.6-0.20211007004332-99263ec9c1c8/go.mod h1:WID4DexLrucfnwzv1OV8REzgoCpyVDwEczxIOrUeFrY=
 github.com/anacrolix/dht/v2 v2.14.1-0.20211220010335-4062f7927abf h1:gPdUT2QIlVX37CCRoKzyx5263AqQJIMyDM0b9DiZyR8=
 github.com/anacrolix/dht/v2 v2.14.1-0.20211220010335-4062f7927abf/go.mod h1:zJgaiAU2yhzmchZE2mY8WyZ64LK/F/D9MAeN0ct73qQ=
 github.com/anacrolix/envpprof v0.0.0-20180404065416-323002cec2fa/go.mod h1:KgHhUaQMc8cC0+cEflSgCFNFbKwi5h54gqtVn8yhP7c=