diff --git a/FiraCode.glyphs b/FiraCode.glyphs
index fd72bc0f6d..a031ffd43a 100644
--- a/FiraCode.glyphs
+++ b/FiraCode.glyphs
@@ -122723,6 +122723,27 @@ instances = (
 {
 customParameters = (
 {
+name = weightClass;
+value = 350;
+},
+{
+name = "Remove Features";
+value = (
+cpsp
+);
+}
+);
+interpolationWeight = 72;
+instanceInterpolations = {
+"4B7A3BAF-EAD8-4024-9BEA-BB1DE86CFCFA" = 0.16667;
+"B67F0F2D-EC95-4CB8-966E-23AE86958A69" = 0.83333;
+};
+name = Book;
+weightClass = Normal;
+},
+{
+customParameters = (
+{
 name = "Remove Features";
 value = (
 cpsp
@@ -122743,6 +122764,27 @@ weightClass = Light;
 {
 customParameters = (
 {
+name = weightClass;
+value = 475;
+},
+{
+name = "Remove Features";
+value = (
+cpsp
+);
+}
+);
+interpolationWeight = 108;
+instanceInterpolations = {
+"4B7A3BAF-EAD8-4024-9BEA-BB1DE86CFCFA" = 0.41667;
+"B67F0F2D-EC95-4CB8-966E-23AE86958A69" = 0.58333;
+};
+name = Thick;
+weightClass = Normal;
+},
+{
+customParameters = (
+{
 name = "Remove Features";
 value = (
 cpsp
diff --git a/distr/ttf/FiraCode-Book.ttf b/distr/ttf/FiraCode-Book.ttf
new file mode 100644
index 0000000000..256bad9e03
Binary files /dev/null and b/distr/ttf/FiraCode-Book.ttf differ
diff --git a/distr/ttf/FiraCode-Thick.ttf b/distr/ttf/FiraCode-Thick.ttf
new file mode 100644
index 0000000000..500299b044
Binary files /dev/null and b/distr/ttf/FiraCode-Thick.ttf differ
diff --git a/distr/woff/FiraCode-Book.woff b/distr/woff/FiraCode-Book.woff
new file mode 100644
index 0000000000..dea8db8872
Binary files /dev/null and b/distr/woff/FiraCode-Book.woff differ
diff --git a/distr/woff/FiraCode-Thick.woff b/distr/woff/FiraCode-Thick.woff
new file mode 100644
index 0000000000..446a100868
Binary files /dev/null and b/distr/woff/FiraCode-Thick.woff differ
diff --git a/distr/woff2/FiraCode-Book.woff2 b/distr/woff2/FiraCode-Book.woff2
new file mode 100644
index 0000000000..fc450a04b5
Binary files /dev/null and b/distr/woff2/FiraCode-Book.woff2 differ
diff --git a/distr/woff2/FiraCode-Thick.woff2 b/distr/woff2/FiraCode-Thick.woff2
new file mode 100644
index 0000000000..1e13fe2501
Binary files /dev/null and b/distr/woff2/FiraCode-Thick.woff2 differ