diff --git a/Dockerfile b/Dockerfile
index 135fd5520..dd9b021ec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM photoprism/development:20200422
+FROM photoprism/development:20200427
 
 # Set up project directory
 WORKDIR "/go/src/github.com/photoprism/photoprism"
diff --git a/docker/development/Dockerfile b/docker/development/Dockerfile
index f47835d78..37112483b 100644
--- a/docker/development/Dockerfile
+++ b/docker/development/Dockerfile
@@ -68,7 +68,7 @@ RUN sh -c "echo 'deb http://download.opensuse.org/repositories/graphics:/darktab
 ENV LD_LIBRARY_PATH /root/.local/lib:/usr/local/lib:/usr/lib:/lib
 ENV TF_CPP_MIN_LOG_LEVEL 0
 RUN curl -L \
-   "https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-cpu-linux-x86_64-1.15.0.tar.gz" | \
+   "https://dl.photoprism.org/tensorflow/linux/libtensorflow-linux-cpu-1.15.2.tar.gz" | \
    tar -C "/usr" -xz
 RUN ldconfig
 
diff --git a/docker/photoprism/Dockerfile b/docker/photoprism/Dockerfile
index cf287b8cd..9e8675d63 100644
--- a/docker/photoprism/Dockerfile
+++ b/docker/photoprism/Dockerfile
@@ -1,4 +1,4 @@
-FROM photoprism/development:20200422 as build
+FROM photoprism/development:20200427 as build
 
 # Set up project directory
 WORKDIR "/go/src/github.com/photoprism/photoprism"
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 9e21f02b1..324fe8a43 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -1833,7 +1833,8 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": ""
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
         }
       }
     },
@@ -11075,7 +11076,8 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": ""
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
         },
         "postcss": {
           "version": "7.0.21",
@@ -12808,7 +12810,8 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": ""
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
         },
         "parse-json": {
           "version": "2.2.0",
@@ -13109,7 +13112,8 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": ""
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
         },
         "string-width": {
           "version": "3.1.0",
diff --git a/go.mod b/go.mod
index 19b7b137f..394e8006b 100644
--- a/go.mod
+++ b/go.mod
@@ -62,7 +62,7 @@ require (
 	github.com/stretchr/objx v0.2.0 // indirect
 	github.com/stretchr/testify v1.5.1
 	github.com/studio-b12/gowebdav v0.0.0-20200303150724-9380631c29a1
-	github.com/tensorflow/tensorflow v1.15.0
+	github.com/tensorflow/tensorflow v1.15.2
 	github.com/tidwall/gjson v1.6.0
 	github.com/tidwall/pretty v1.0.1 // indirect
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20171017195756-830351dc03c6 // indirect
diff --git a/go.sum b/go.sum
index f7337022c..e54838348 100644
--- a/go.sum
+++ b/go.sum
@@ -372,6 +372,8 @@ github.com/tensorflow/tensorflow v1.14.0 h1:g0W2+f/RybcvmrTjPLTwXkfr/BsDGUd8FKT6
 github.com/tensorflow/tensorflow v1.14.0/go.mod h1:itOSERT4trABok4UOoG+X4BoKds9F3rIsySdn+Lvu90=
 github.com/tensorflow/tensorflow v1.15.0 h1:ujwCjW4LRUwUp7YrAK+menE0GZkeJgkQT5FgdWNpVCk=
 github.com/tensorflow/tensorflow v1.15.0/go.mod h1:itOSERT4trABok4UOoG+X4BoKds9F3rIsySdn+Lvu90=
+github.com/tensorflow/tensorflow v1.15.2 h1:7/f/A664Tml/nRJg04+p3StcrsT53mkcvmxYHXI21Qo=
+github.com/tensorflow/tensorflow v1.15.2/go.mod h1:itOSERT4trABok4UOoG+X4BoKds9F3rIsySdn+Lvu90=
 github.com/tidwall/gjson v1.6.0 h1:9VEQWz6LLMUsUl6PueE49ir4Ka6CzLymOAZDxpFsTDc=
 github.com/tidwall/gjson v1.6.0/go.mod h1:P256ACg0Mn+j1RXIDXoss50DeIABTYK1PULOJHhxOls=
 github.com/tidwall/match v1.0.1 h1:PnKP62LPNxHKTwvHHZZzdOAOCtsJTjo6dZLCwpKm5xc=