diff --git a/tile_server/gridserver/go.mod b/tile_server/gridserver/go.mod
index 83c16869..5b318047 100644
--- a/tile_server/gridserver/go.mod
+++ b/tile_server/gridserver/go.mod
@@ -8,5 +8,5 @@ require (
 	github.com/google/go-cmp v0.5.6
 	github.com/google/open-location-code/go v0.0.0-20210504205230-1796878d947c
 	github.com/paulmach/go.geojson v1.4.0
-	golang.org/x/image v0.0.0-20211028202545-6944b10bf410
+	golang.org/x/image v0.18.0
 )
diff --git a/tile_server/gridserver/go.sum b/tile_server/gridserver/go.sum
index ababd6c6..a5a53a28 100644
--- a/tile_server/gridserver/go.sum
+++ b/tile_server/gridserver/go.sum
@@ -4,13 +4,72 @@ github.com/golang/glog v1.0.0 h1:nfP3RFugxnNRyKgeWd4oI1nYvXpxrx8ck8ZrcizshdQ=
 github.com/golang/glog v1.0.0/go.mod h1:EWib/APOK0SL3dFbYqvxE3UYd8E6s1ouQ7iEp/0LWV4=
 github.com/google/go-cmp v0.5.6 h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/open-location-code/go v0.0.0-20210504205230-1796878d947c h1:kiK/0Vz+XhUoQU+PAVuP30aVHObEz0HMawJQXKiSzV4=
 github.com/google/open-location-code/go v0.0.0-20210504205230-1796878d947c/go.mod h1:eJfRN6aj+kR/rnua/rw9jAgYhqoMHldQkdTi+sePRKk=
 github.com/paulmach/go.geojson v1.4.0 h1:5x5moCkCtDo5x8af62P9IOAYGQcYHtxz2QJ3x1DoCgY=
 github.com/paulmach/go.geojson v1.4.0/go.mod h1:YaKx1hKpWF+T2oj2lFJPsW/t1Q5e1jQI61eoQSTwpIs=
-golang.org/x/image v0.0.0-20211028202545-6944b10bf410 h1:hTftEOvwiOq2+O8k2D5/Q7COC7k5Qcrgc2TFURJYnvQ=
-golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
+golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
+golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
+golang.org/x/image v0.18.0 h1:jGzIakQa/ZXI1I0Fxvaa9W7yP25TqT6cHIHn+6CqvSQ=
+golang.org/x/image v0.18.0/go.mod h1:4yyo5vMFQjVjUcVk4jEQcU9MGy/rulF5WvUILseCM2E=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
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