diff --git a/debian/changelog b/debian/changelog
index 6c90058..20e1dbe 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,37 @@
+fcitx-table-extra (0.3.8-4) UNRELEASED; urgency=medium
+
+  * Remove constraints unnecessary since buster:
+    + Build-Depends: Drop versioned constraint on fcitx-bin, fcitx-libs-dev and
+      fcitx-tools.
+    + fcitx-table-array30: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-array30-big: Drop versioned constraint on fcitx-table in
+      Depends.
+    + fcitx-table-boshiamy: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-cangjie-big: Drop versioned constraint on fcitx-table in
+      Depends.
+    + fcitx-table-cangjie3: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-cangjie5: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-cantonese: Drop versioned constraint on fcitx-table in
+      Depends.
+    + fcitx-table-cantonhk: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-easy-big: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-jyutping: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-quick-classic: Drop versioned constraint on fcitx-table in
+      Depends.
+    + fcitx-table-quick3: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-quick5: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-scj6: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-stroke5: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-t9: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-wu: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-wubi-large: Drop versioned constraint on fcitx-table in
+      Depends.
+    + fcitx-table-zhengma: Drop versioned constraint on fcitx-table in Depends.
+    + fcitx-table-zhengma-large: Drop versioned constraint on fcitx-table in
+      Depends.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Wed, 13 Oct 2021 03:05:40 -0000
+
 fcitx-table-extra (0.3.8-3) unstable; urgency=medium
 
   * Team upload.
diff --git a/debian/control b/debian/control
index ae77f46..317784a 100644
--- a/debian/control
+++ b/debian/control
@@ -8,9 +8,9 @@
 Build-Depends:
  cmake,
  debhelper-compat (= 13),
- fcitx-bin (>= 1:4.2.9),
- fcitx-libs-dev (>= 1:4.2.9),
- fcitx-tools (>= 1:4.2.9),
+ fcitx-bin,
+ fcitx-libs-dev,
+ fcitx-tools,
  intltool,
 Standards-Version: 4.5.1
 Homepage: https://github.com/fcitx/fcitx-table-extra
@@ -20,7 +20,7 @@
 Package: fcitx-table-array30
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Array30 table
  Fcitx is a input method framework with extension support, which provides
@@ -38,7 +38,7 @@
 Package: fcitx-table-array30-big
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Array30-Big table
  Fcitx is a input method framework with extension support, which provides
@@ -56,7 +56,7 @@
 Package: fcitx-table-boshiamy
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Boshiamy table
  Fcitx is a input method framework with extension support, which provides
@@ -74,7 +74,7 @@
 Package: fcitx-table-cangjie-big
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Cangjie-Big table
  Fcitx is a input method framework with extension support, which provides
@@ -92,7 +92,7 @@
 Package: fcitx-table-cangjie3
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Cangjie3 table
  Fcitx is a input method framework with extension support, which provides
@@ -110,7 +110,7 @@
 Package: fcitx-table-cangjie5
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Cangjie5 table
  Fcitx is a input method framework with extension support, which provides
@@ -128,7 +128,7 @@
 Package: fcitx-table-cantonese
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Cantonese table
  Fcitx is a input method framework with extension support, which provides
@@ -146,7 +146,7 @@
 Package: fcitx-table-cantonhk
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Cantonhk table
  Fcitx is a input method framework with extension support, which provides
@@ -164,7 +164,7 @@
 Package: fcitx-table-easy-big
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Easy-Big table
  Fcitx is a input method framework with extension support, which provides
@@ -182,7 +182,7 @@
 Package: fcitx-table-jyutping
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Jyutping table
  Fcitx is a input method framework with extension support, which provides
@@ -200,7 +200,7 @@
 Package: fcitx-table-quick-classic
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Quick-Classic table
  Fcitx is a input method framework with extension support, which provides
@@ -218,7 +218,7 @@
 Package: fcitx-table-quick3
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Quick3 table
  Fcitx is a input method framework with extension support, which provides
@@ -236,7 +236,7 @@
 Package: fcitx-table-quick5
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Quick5 table
  Fcitx is a input method framework with extension support, which provides
@@ -254,7 +254,7 @@
 Package: fcitx-table-scj6
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Scj6 table
  Fcitx is a input method framework with extension support, which provides
@@ -272,7 +272,7 @@
 Package: fcitx-table-stroke5
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Stroke5 table
  Fcitx is a input method framework with extension support, which provides
@@ -290,7 +290,7 @@
 Package: fcitx-table-t9
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - T9 table
  Fcitx is a input method framework with extension support, which provides
@@ -308,7 +308,7 @@
 Package: fcitx-table-wu
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Wu table
  Fcitx is a input method framework with extension support, which provides
@@ -326,7 +326,7 @@
 Package: fcitx-table-wubi-large
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Wubi-Large table
  Fcitx is a input method framework with extension support, which provides
@@ -344,7 +344,7 @@
 Package: fcitx-table-zhengma
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Zhengma table
  Fcitx is a input method framework with extension support, which provides
@@ -362,7 +362,7 @@
 Package: fcitx-table-zhengma-large
 Architecture: all
 Depends:
- fcitx-table (>= 1:4.2.6),
+ fcitx-table,
  ${misc:Depends},
 Description: Flexible Input Method Framework - Zhengma-Large table
  Fcitx is a input method framework with extension support, which provides